codemate

package welcome;

public class Untitled2 {
public static void main(String[] args)
{
String a="I hate you";
int b= a.indexOf("hate");
String ending =
a.substring(b+"hate".length());
System.out.println("The line of text to be change is:");
System.out.println(a);
a=a.substring(0,b)+"love"+ending;
System.out.println("I have rephrased that line to read:");
System.out.println(a);
}
}


執行結果