//时代Java - N o w J a v a . c o m 提供
public class Main {
public static void main(String[] arguments) {
String str1, str2;
str1 = "this is a test.";
str2 = str1;
System.out.println("String1: " + str1);
System.out.println("String2: " + str2);
System.out.println("Same object? " + (str1 == str2));
str2 = new String(str1);
System.out.println("String1: " + str1);
System.out.println("String2: " + str2);
System.out.println("Same object? " + (str1 == str2));
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