【2021-07-01】分析程序的运行结果,并解释为什么?
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请分析该程序的运行结果,并解释为什么?
程序一:
public class Main {
public static void main(String[] args) {
int a = 1000;
int b = 1000;
System.out.println(a == b);
}
}
程序二:
public class Main {
public static void main(String[] args) {
Integer a = 1000;
Integer b = 1000;
System.out.println(a == b);
}
}
程序三:
public class Main {
public static void main(String[] args) {
Integer a = 1;
Integer b = 1;
System.out.println(a == b);
}
}
程序四:
public class Main {
public static void main(String[] args) {
Integer a = new Integer(1);
Integer b = new Integer(1);
System.out.println(a == b);
}
}
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