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2015年12月4日 星期五

ex10 字串練習

String X="this is an exercise. A happy Day"
1.去掉空格
2. a->@, e->'您'
3 改大寫
4 取子字串4~8
5. 字串反轉

於

30 則留言:

  1. A104330132015年12月4日 下午2:34

    public class ex2 { public static void main(String[] args) { String x="this is an exercise. A happy Day"; System.out.println(x); System.out.println(x.replace(" ","")); x=x.replace(" ",""); System.out.println(x.replace("a","@")); x=x.replace("a","@"); System.out.println(x.replace("e","您")); x=x.replace("e","您"); System.out.println(x.toUpperCase()); x=x.toUpperCase(); System.out.println(x.substring(4,9)); x=x.substring(4,9); char xx[]=x.toCharArray(); for(int i=xx.length-1; i>=0; i--) System.out.print(xx[i]); }}

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  2. A104330152015年12月4日 下午2:34

    public class Z { public static void main(String[] args) { String x ="this is an exercise. A happy Day"; System.out.println(x.replace(" ", "")); x=x.replace(" ", ""); x=(x.replace("a", "@")); System.out.println(x.replace("e","您")); x=x.replace("e","您"); System.out.println(x.toUpperCase()); x=x.toUpperCase(); System.out.println(x.substring(4, 9)); x=x.substring(4, 9); char []xx=x.toCharArray(); for(int i=x.length()-1;i>=0;i--) System.out.print(xx[i]); }}

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  3. a104330292015年12月4日 下午3:14



    public class exex09 {

    public static void main(String[] args) { String X="this is an exercise. A happy Day"; X=X.replace(" ", ""); System.out.println(X); X=X.replace('a','@'); X=X.replace('e','您'); System.out.println(X); X=X.toUpperCase(); System.out.println(X); X=X.substring(4,9); System.out.println(X); char []XX=X.toCharArray(); for(int i=XX.length-1; i>=0; i--) System.out.print(XX[i]); System.out.println();

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  4. A104330192015年12月4日 下午3:14

    public class a1204 {

    public static void main(String[] args) { String X="this is an exercise. A happy Day"; X=X.replace(" ",""); System.out.println(X); X=X.replace('a','@'); X=X.replace('e','您'); System.out.println(X); X=X.toUpperCase(); System.out.println(X); X=X.substring(4,9); System.out.println(X); char []XX=X.toCharArray(); for(int i=XX.length-1; i>=0; i--) System.out.print(XX[i]); System.out.println(); }

    }

    }

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  5. A104330032015年12月4日 下午3:15

    public class a1204 {

    public static void main(String[] args) { String X="this is an exercise. A happy Day"; X=X.replace(" ",""); System.out.println(X); X=X.replace('a','@'); X=X.replace('e','您'); System.out.println(X); X=X.toUpperCase(); System.out.println(X); X=X.substring(4,9); System.out.println(X); char []XX=X.toCharArray(); for(int i=XX.length-1; i>=0; i--) System.out.print(XX[i]); System.out.println(); }

    }

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  6. A104330072015年12月4日 下午3:16

    public class a1204 {

    public static void main(String[] args) { String X="this is an exercise. A happy Day"; X=X.replace(" ",""); System.out.println(X); X=X.replace('a','@'); X=X.replace('e','您'); System.out.println(X); X=X.toUpperCase(); System.out.println(X); X=X.substring(4,9); System.out.println(X); char []XX=X.toCharArray(); for(int i=XX.length-1; i>=0; i--) System.out.print(XX[i]); System.out.println(); }

    }

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  7. A104330102015年12月4日 下午3:16

    public class a1204 {

    public static void main(String[] args) { String X="this is an exercise. A happy Day"; X=X.replace(" ",""); System.out.println(X); X=X.replace('a','@'); X=X.replace('e','您'); System.out.println(X); X=X.toUpperCase(); System.out.println(X); X=X.substring(4,9); System.out.println(X); char []XX=X.toCharArray(); for(int i=XX.length-1; i>=0; i--) System.out.print(XX[i]); System.out.println(); }

    }

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  8. A104330142015年12月4日 下午3:16

    public class a1204 {

    public static void main(String[] args) { String X="this is an exercise. A happy Day"; X=X.replace(" ",""); System.out.println(X); X=X.replace('a','@'); X=X.replace('e','您'); System.out.println(X); X=X.toUpperCase(); System.out.println(X); X=X.substring(4,9); System.out.println(X); char []XX=X.toCharArray(); for(int i=XX.length-1; i>=0; i--) System.out.print(XX[i]); System.out.println(); }

    }

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  9. A104330362015年12月4日 下午3:17

    public class a1204 {

    public static void main(String[] args) { String X="this is an exercise. A happy Day"; X=X.replace(" ",""); System.out.println(X); X=X.replace('a','@'); X=X.replace('e','您'); System.out.println(X); X=X.toUpperCase(); System.out.println(X); X=X.substring(4,9); System.out.println(X); char []XX=X.toCharArray(); for(int i=XX.length-1; i>=0; i--) System.out.print(XX[i]); System.out.println(); }

    }

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  10. A104330362015年12月4日 下午3:17

    public class a1204 {

    public static void main(String[] args) { String X="this is an exercise. A happy Day"; X=X.replace(" ",""); System.out.println(X); X=X.replace('a','@'); X=X.replace('e','您'); System.out.println(X); X=X.toUpperCase(); System.out.println(X); X=X.substring(4,9); System.out.println(X); char []XX=X.toCharArray(); for(int i=XX.length-1; i>=0; i--) System.out.print(XX[i]); System.out.println(); }

    }

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  11. A104330432015年12月4日 下午3:18

    public class a1204 {

    public static void main(String[] args) { String X="this is an exercise. A happy Day"; X=X.replace(" ",""); System.out.println(X); X=X.replace('a','@'); X=X.replace('e','您'); System.out.println(X); X=X.toUpperCase(); System.out.println(X); X=X.substring(4,9); System.out.println(X); char []XX=X.toCharArray(); for(int i=XX.length-1; i>=0; i--) System.out.print(XX[i]); System.out.println(); }

    }

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  12. A104330392015年12月4日 下午3:19

    public class a1204 {

    public static void main(String[] args) { String X="this is an exercise. A happy Day"; X=X.replace(" ",""); System.out.println(X); X=X.replace('a','@'); X=X.replace('e','您'); System.out.println(X); X=X.toUpperCase(); System.out.println(X); X=X.substring(4,9); System.out.println(X); char []XX=X.toCharArray(); for(int i=XX.length-1; i>=0; i--) System.out.print(XX[i]); System.out.println(); }

    }

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  13. A104330182015年12月4日 下午3:32

    package gg;

    public class as9 {

    public static void main(String[] args) { String x="this is an exercise. A happy Day"; System.out.println(x); x=x.replace(" ",""); x=x.replace("a","@"); x=x.replace('e','你'); x=x.toUpperCase(); x=x.substring(4,9); System.out.println(x); char []xx=x.toCharArray(); for(int i=xx.length-1;i>=0;i--){// System.out.println(xx[i]); xx[i]=x.charAt(x.length()-1-i); } String x2= new String (xx); System.out.println(x2); }}

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  14. A104330242015年12月4日 下午3:33

    package gg;

    public class as9 {

    public static void main(String[] args) { String x="this is an exercise. A happy Day"; System.out.println(x); x=x.replace(" ",""); x=x.replace("a","@"); x=x.replace('e','你'); x=x.toUpperCase(); x=x.substring(4,9); System.out.println(x); char []xx=x.toCharArray(); for(int i=xx.length-1;i>=0;i--){ xx[i]=x.charAt(x.length()-1-i); } String x2= new String (xx); System.out.println(x2); }}

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  15. A104330082015年12月4日 下午3:35



    public class ex1204 {

    public static void main(String[] args) { // TODO Auto-generated method stub String X="this is an exercise. A happy Day"; X=X.replace(" ",""); System.out.println(X); X=X.replace('a', '@'); X=X.replace('e', '您'); System.out.println(X); X=X.toUpperCase(); System.out.println(X); System.out.println(X=X.substring(4, 9)); char XX[]=new char[X.length()]; for(int i=0; i<XX.length; i++){ XX[i]=X.charAt(X.length()-1-i); } String X2=new String(XX); System.out.println(X2); StringBuffer Xb=new StringBuffer(X); Xb.reverse(); X=Xb.toString(); System.out.println(X); }

    }

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  16. A104330062015年12月4日 下午3:36

    public class d1204 {

    public static void main(String[] args) { // TODO Auto-generated method stub String X="this is an exercise. A happy Day"; X=X.replace(" ",""); System.out.println(X); X=X.replace('a','@'); X=X.replace('e','您'); System.out.println(X); X=X.toUpperCase(); System.out.println(X); System.out.println(X=X.substring(4,9)); char XX[]=new char[X.length()]; for(int i=0; i<X.length(); i++){ XX[i]=X.charAt(X.length()-1-i); } String X2=new String(XX); System.out.println(X2); StringBuffer Xb=new StringBuffer(X); Xb.reverse(); X=Xb.toString(); System.out.println(X); }}

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  17. B101330072015年12月11日 下午2:30

    public class ex02 { public static void main(String[] args) { String x="this is an exercise. A happy Day"; System.out.println(x); System.out.println(x.replace(" ","")); x=x.replace(" ",""); System.out.println(x.replace("a","@")); x=x.replace("a","@"); System.out.println(x.replace("e","您")); x=x.replace("e","您"); System.out.println(x.toUpperCase()); x=x.toUpperCase(); System.out.println(x.substring(4,9)); x=x.substring(4,9); char xx[]=x.toCharArray(); for(int i=xx.length-1; i>=0; i--) System.out.print(xx[i]); }}

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  18. A104330282015年12月11日 下午4:00

    public class ex2 { public static void main(String[] args) { String x="this is an exercise. A happy Day"; System.out.println(x); System.out.println(x.replace(" ","")); x=x.replace(" ",""); System.out.println(x.replace("a","@")); x=x.replace("a","@"); System.out.println(x.replace("e","您")); x=x.replace("e","您"); System.out.println(x.toUpperCase()); x=x.toUpperCase(); System.out.println(x.substring(4,9)); x=x.substring(4,9); char xx[]=x.toCharArray(); for(int i=xx.length-1; i>=0; i--) System.out.print(xx[i]); }}

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  19. A104330012015年12月25日 下午1:37

    public class ex2 { public static void main(String[] args) { String x="this is an exercise. A happy Day"; System.out.println(x); System.out.println(x.replace(" ","")); x=x.replace(" ",""); System.out.println(x.replace("a","@")); x=x.replace("a","@"); System.out.println(x.replace("e","您")); x=x.replace("e","您"); System.out.println(x.toUpperCase()); x=x.toUpperCase(); System.out.println(x.substring(4,9)); x=x.substring(4,9); char xx[]=x.toCharArray(); for(int i=xx.length-1; i>=0; i--) System.out.print(xx[i]); }}

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  20. A10433022 遲2015年12月25日 下午1:45

    public class ex2 { public static void main(String[] args) { String x="this is an exercise. A happy Day"; System.out.println(x); System.out.println(x.replace(" ","")); x=x.replace(" ",""); System.out.println(x.replace("a","@")); x=x.replace("a","@"); System.out.println(x.replace("e","您")); x=x.replace("e","您"); System.out.println(x.toUpperCase()); x=x.toUpperCase(); System.out.println(x.substring(4,9)); x=x.substring(4,9); char xx[]=x.toCharArray(); for(int i=xx.length-1; i>=0; i--) System.out.print(xx[i]); }}

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  21. A104330042015年12月25日 下午1:48

    public class ex1204 {
    public static void main(String[] args) { // TODO Auto-generated method stub String X="this is an exercise. A happy Day"; X=X.replace(" ",""); System.out.println(X); X=X.replace('a', '@'); X=X.replace('e', '您'); System.out.println(X); X=X.toUpperCase(); System.out.println(X); System.out.println(X=X.substring(4, 9)); char XX[]=new char[X.length()]; for(int i=0; i<XX.length; i++){ XX[i]=X.charAt(X.length()-1-i); } String X2=new String(XX); System.out.println(X2); StringBuffer Xb=new StringBuffer(X); Xb.reverse(); X=Xb.toString(); System.out.println(X); }}

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  22. A104330042015年12月25日 下午1:58

    public class ex2 { public static void main(String[] args) { String x="this is an exercise. A happy Day"; System.out.println(x); System.out.println(x.replace(" ","")); x=x.replace(" ",""); System.out.println(x.replace("a","@")); x=x.replace("a","@"); System.out.println(x.replace("e","您")); x=x.replace("e","您"); System.out.println(x.toUpperCase()); x=x.toUpperCase(); System.out.println(x.substring(4,9)); x=x.substring(4,9); char xx[]=x.toCharArray(); for(int i=xx.length-1; i>=0; i--) System.out.print(xx[i]); }}

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  23. A104330382015年12月25日 下午1:59

    public class ex2 { public static void main(String[] args) { String x="this is an exercise. A happy Day"; System.out.println(x); System.out.println(x.replace(" ","")); x=x.replace(" ",""); System.out.println(x.replace("a","@")); x=x.replace("a","@"); System.out.println(x.replace("e","您")); x=x.replace("e","您"); System.out.println(x.toUpperCase()); x=x.toUpperCase(); System.out.println(x.substring(4,9)); x=x.substring(4,9); char xx[]=x.toCharArray(); for(int i=xx.length-1; i>=0; i--) System.out.print(xx[i]); }}

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  24. A104330382015年12月25日 下午2:01

    public class ex2 { public static void main(String[] args) { String x="this is an exercise. A happy Day"; System.out.println(x); System.out.println(x.replace(" ","")); x=x.replace(" ",""); System.out.println(x.replace("a","@")); x=x.replace("a","@"); System.out.println(x.replace("e","您")); x=x.replace("e","您"); System.out.println(x.toUpperCase()); x=x.toUpperCase(); System.out.println(x.substring(4,9)); x=x.substring(4,9); char xx[]=x.toCharArray(); for(int i=xx.length-1; i>=0; i--) System.out.print(xx[i]); }}

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  25. A104330382015年12月25日 下午2:01

    public class ex2 { public static void main(String[] args) { String x="this is an exercise. A happy Day"; System.out.println(x); System.out.println(x.replace(" ","")); x=x.replace(" ",""); System.out.println(x.replace("a","@")); x=x.replace("a","@"); System.out.println(x.replace("e","您")); x=x.replace("e","您"); System.out.println(x.toUpperCase()); x=x.toUpperCase(); System.out.println(x.substring(4,9)); x=x.substring(4,9); char xx[]=x.toCharArray(); for(int i=xx.length-1; i>=0; i--) System.out.print(xx[i]); }}

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  26. A104330112015年12月25日 下午2:05

    public class ex2 { public static void main(String[] args) { String x="this is an exercise. A happy Day"; System.out.println(x); System.out.println(x.replace(" ","")); x=x.replace(" ",""); System.out.println(x.replace("a","@")); x=x.replace("a","@"); System.out.println(x.replace("e","您")); x=x.replace("e","您"); System.out.println(x.toUpperCase()); x=x.toUpperCase(); System.out.println(x.substring(4,9)); x=x.substring(4,9); char xx[]=x.toCharArray(); for(int i=xx.length-1; i>=0; i--) System.out.print(xx[i]); }}

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  27. A10433021 提到2015年12月25日 下午2:48

    public class ex2 { public static void main(String[] args) { String x="this is an exercise. A happy Day"; System.out.println(x); System.out.println(x.replace(" ","")); x=x.replace(" ",""); System.out.println(x.replace("a","@")); x=x.replace("a","@"); System.out.println(x.replace("e","您")); x=x.replace("e","您"); System.out.println(x.toUpperCase()); x=x.toUpperCase(); System.out.println(x.substring(4,9)); x=x.substring(4,9); char xx[]=x.toCharArray(); for(int i=xx.length-1; i>=0; i--) System.out.print(xx[i]); }}

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  28. B101331892015年12月25日 下午2:48

    public class ex02 { public static void main(String[] args) { String x="this is an exercise. A happy Day"; System.out.println(x); System.out.println(x.replace(" ","")); x=x.replace(" ",""); System.out.println(x.replace("a","@")); x=x.replace("a","@"); System.out.println(x.replace("e","您")); x=x.replace("e","您"); System.out.println(x.toUpperCase()); x=x.toUpperCase(); System.out.println(x.substring(4,9)); x=x.substring(4,9); char xx[]=x.toCharArray(); for(int i=xx.length-1; i>=0; i--) System.out.print(xx[i]); }}

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  29. A10433021 提到2015年12月25日 下午2:49

    public class ex2 { public static void main(String[] args) { String x="this is an exercise. A happy Day"; System.out.println(x); System.out.println(x.replace(" ","")); x=x.replace(" ",""); System.out.println(x.replace("a","@")); x=x.replace("a","@"); System.out.println(x.replace("e","您")); x=x.replace("e","您"); System.out.println(x.toUpperCase()); x=x.toUpperCase(); System.out.println(x.substring(4,9)); x=x.substring(4,9); char xx[]=x.toCharArray(); for(int i=xx.length-1; i>=0; i--) System.out.print(xx[i]); }}

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  30. A10433021 提到2015年12月25日 下午2:51

    public class ex2 { public static void main(String[] args) { String x="this is an exercise. A happy Day"; System.out.println(x); System.out.println(x.replace(" ","")); x=x.replace(" ",""); System.out.println(x.replace("a","@")); x=x.replace("a","@"); System.out.println(x.replace("e","您")); x=x.replace("e","您"); System.out.println(x.toUpperCase()); x=x.toUpperCase(); System.out.println(x.substring(4,9)); x=x.substring(4,9); char xx[]=x.toCharArray(); for(int i=xx.length-1; i>=0; i--) System.out.print(xx[i]); }}

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