public static void main(String[] args){
fu5();
}
public static void fu5(){
String a="aaa222222";
System.out.print("原函数"+a+" ");
String a1=a.replace('2','3');
System.out.println("修改后"+a1);
}
public static void main(String[] args){
fu5();
}
public static void fu5(){
String a="aaa222222";
System.out.print("原函数"+a+" ");
String a1=a.replace('2','3');
System.out.println("修改后"+a1);
}