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//: arrays/CompType.java

package arrays; /* Added by Eclipse.py */

// Implementing Comparable in a class.

import java.util.*;

import net.mindview.util.*;

import static net.mindview.util.Print.*;

public class CompType implements Comparable<CompType> {

int i;

int j;

private static int count = 1;

public CompType(int n1, int n2) {

i = n1;

j = n2;

}

public String toString() {

String result = "[i = " + i + ", j = " + j + "]";

if(count++ % 3 == 0)

result += "\n";

return result;

}

public int compareTo(CompType rv) {

return (i < rv.i ? -1 : (i == rv.i ? 0 : 1));

}

private static Random r = new Random(47);

public static Generator<CompType> generator() {

return new Generator<CompType>() {

public CompType next() {

return new CompType(r.nextInt(100),r.nextInt(100));

}

};

}

public static void main(String[] args) {

CompType[] a =

Generated.array(new CompType[12], generator());

print("before sorting:");

print(Arrays.toString(a));

Arrays.sort(a);

print("after sorting:");

print(Arrays.toString(a));

}

} /* Output:

before sorting:

[[i = 58, j = 55], [i = 93, j = 61], [i = 61, j = 29]

, [i = 68, j = 0], [i = 22, j = 7], [i = 88, j = 28]

, [i = 51, j = 89], [i = 9, j = 78], [i = 98, j = 61]

, [i = 20, j = 58], [i = 16, j = 40], [i = 11, j = 22]

]

after sorting:

[[i = 9, j = 78], [i = 11, j = 22], [i = 16, j = 40]

, [i = 20, j = 58], [i = 22, j = 7], [i = 51, j = 89]

, [i = 58, j = 55], [i = 61, j = 29], [i = 68, j = 0]

, [i = 88, j = 28], [i = 93, j = 61], [i = 98, j = 61]

]

*///:~