java编写函数将字符串的首尾空格删除。

public String trim() {int len &＃61; value.length;int st &＃61; 0;char[] val &＃61; value; /* avoid getfield opcode */while ((st &＃39; &＃39;)) {st&＃43;&＃43;;}while ((st 1] <&＃61; &＃39; &＃39;)) {len--;}return ((st > 0) || (len this;}

public static String getTrim(String str){char[] val &＃61; str.toCharArray();int len &＃61; val.length, st &＃61; 0;while( ( st &＃39; &＃39;) )st&＃43;&＃43;;while( ( st 1] &＃61;&＃61; &＃39; &＃39;) )len--;return ( ( len 0) ) ? str.substring(st,len):str;}