Java基础实用知识库分享

第1篇 字符串排序:

Java实现对字符串的排序

/* :

* "10 3 5 6 9 15"

*

* integer

*

*

* /

` * public class IntegerTest {

System out str. .println("/:" + );

//

str str= sortStringNumber( );

///

System out str. .println("/:" + );

}

/**

*

*/

String String str private static sortStringNumber( ) {

//

String s int_arr= arrayToString( );

sreturn ;

}

/**

*

*/

String String string private static [] stringToArray( ) {

String str_arr string SPACE_SEPARATOR[] = .split( );

str_arrreturn ;

*/

String str_arr private static int[] toIntArray( [] ) {

int_arr str_arr lengthint[] = new int[ . ];

i i str_arr length i for (int = 0; < . ; ++) {

int_arr i Integer str_arr i[ ] = .parseInt( [ ]);

}

int_arrreturn ;

}

/**

*

*/

String a private static arrayToString(int[] ) {

StringBuffer sBuffer = new StringBuffer();

i i a length i for (int = 0; < . ; ++) {

i a length if ( < . - 1) {

sBuffer a i SPACE_SEPARATOR.append( [ ]).append( );

} else {

sBuffer a i.append( [ ]);

}

}

/*

1

2

3

User user = new User();

User user.shuru( );

User user.run( );

}

}

//

Scanner scanner System instatic = new Scanner( . );

flog static boolean = true;

String USER public static final = "root"; //