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原来一直理解错了intern,建议可以把案例改成这个 #7

@H-Kcloud

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@H-Kcloud

public class Intern {
public static void main(String[] args) {
String s = new String("2");
String s2 = "2";
s.intern();
System.out.println( s == s2); // false
System.out.println( s.intern() == s2); // true
}
}

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