对下列代码分析正确的是Program 1 public class Test { public static void main(String[] args) { Object a1 = new A(); Object a2 = new A(); Syst

题目：对下列代码分析正确的是 // Program 1 public class Test { public static void main(String[] args) { Object a1 = new A(); Object a2 = new A(); System.out.println(((A)a1).equals((A)a2)); } } class A { int x; public boolean equals(A a) { return this.x == a.x; } } // Program 2 public class Test { public static void main(String[] args) { A a1 = new A(); A a2 = new A(); System.out.println(a1.equals(a2)); } } class A { int x; public boolean equals(A a) { return this.x == a.x; } }

A. Program 1结果为true and Program 2 结果为flase

B. Program 1结果为false and Program 2结果为false

C. Program 1结果为false and Program 2结果为true

D. Program 1结果为true and Program 2结果为true

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