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Copy pathCompareArray.java
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49 lines (38 loc) · 1.12 KB
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package src.thinkinginjava.Array16;
import java.util.Arrays;
import java.util.Comparator;
/**
* Created by Ryan on 2017/2/22.
*/
public class CompareArray implements Comparator<CompareArray>, Comparable<CompareArray> {
public int a;
public CompareArray(int a) {
this.a = a;
}
@Override
public int compare(CompareArray o1, CompareArray o2) {
return o1.a < o2.a? -1 : (o1.a == o2.a ? 0 : 1);
}
@Override
public boolean equals(Object obj) {
if(!(obj instanceof CompareArray))
return false;
else {
return a == ((CompareArray)obj).a;
}
}
public static void main(String[] args) {
CompareArray[] a = new CompareArray[5];
CompareArray b = new CompareArray(5);
Arrays.fill(a, b);
CompareArray[] c = new CompareArray[5];
Arrays.fill(c, new CompareArray(5));
System.out.println(Arrays.equals(a,c));
Arrays.fill(c, b);
System.out.println(Arrays.equals(a,c));
}
@Override
public int compareTo(CompareArray o) {
return o.a > a ? -1 : (o.a == a ? 0 : 1);
}
}