edittest1.java

来自「这是一张java应用教程的随书光盘」· Java 代码 · 共 19 行

class editTest1{
public static void main(String args[]){
String a = "he is a student"; 
int len = a.length();
String ice="it is ice";
ice.replace('i','I');
StringBuffer str = new StringBuffer(len);
for (int i = 0; i <= (len-1); i++) {
str.append(a.charAt(i));
}
System.out.println(str.toString());
System.out.println(str.insert(8,"good "));
str. setCharAt (0, 'H');
System.out.println(str.toString());
System.out.println(ice);
System.out.println(ice.replace('i','I'));
}
}