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42 lines
1.1 KiB
Java
42 lines
1.1 KiB
Java
import java.lang.reflect.*;
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class C {
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public static B.D[] arr = new B.D[5];
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public static void main(String[]argv) {
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arr[0] = new B.D(42);
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arr[1] = new B.D(22);
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arr[2] = new B.D(46);
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arr[3] = new B.D(50);
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arr[4] = new B.D(54);
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B.D[] arr2 = arr.clone();
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// Check the clone is OK
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if (arr2[0].i!=42) throw new RuntimeException("Call that a clone 0");
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if (arr2[1].i!=22) throw new RuntimeException("Call that a clone 1");
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if (arr2[2].i!=46) throw new RuntimeException("Call that a clone 2");
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if (arr2[3].i!=50) throw new RuntimeException("Call that a clone 3");
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if (arr2[4].i!=54) throw new RuntimeException("Call that a clone 4");
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System.err.println("Clone OK - attempting value manipulation");
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// Change the clone, check the original is OK
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arr2[2] = new B.D(1);
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if (arr[2].i == 1) throw new RuntimeException("Shouldnt have affected original");
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if (arr2[2].i != 1) throw new RuntimeException("Should have affected clone");
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System.err.println("Clone OK - finished");
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}
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}
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class B {
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public static class D {
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public int i;
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D(int x) { i=x;}
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}
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}
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