DouKaku?

import java.util.Arrays;
import java.util.Random;

public class RandomWithSeed {
    public static void main(String[] args) {
        final long seed = 1234567890L;
        final int count = 10;
        System.out.println(Arrays.toString(getRandomValuesWithSeed(seed, count)));
        System.out.println(Arrays.toString(getRandomValuesWithSeed(seed, count)));
        System.out.println(Arrays.toString(getRandomValuesWithSeed(seed, count)));
    }

    private static int[] getRandomValuesWithSeed(
            final long seed, final int count) {
        Random random = new Random(seed);
        int[] randomValues = new int[count];
        for (int i = 0; i < randomValues.length; i++) {
            randomValues[i] = random.nextInt();
        }
        return randomValues;
    }
}

import java.util.Random;

public class RandomPrint {
    public static void main(String[] args) {
        Random random = new Random();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 10; i++) {
            sb.append(random.nextInt());
            sb.append(" ");
        }
        System.out.println(sb.toString());
    }
}

import static jp.co.dgic.testing.common.virtualmock.MockObjectManager.*;
import static org.junit.Assert.*;
import java.util.*;
import jp.co.dgic.testing.common.virtualmock.*;
import org.junit.*;

public class RandomPrintTest implements IReturnValueProvider {
    private int seed;
    
    @Before
    public void setUp() {
        seed = new Random().nextInt();
    }
    
    @Test
    public void testMain() {
        // 擬似乱数のシードを固定する
        setReturnValueAtAllTimes("java.util.Random", "<init>", this);
        
        // 数回実行する
        final int count = 10;
        for (int i = 0; i < count; i++) {
            RandomPrint.main(null);
        }
        
        // 常に同じ結果が出力されることを確認する
        String arg1 = (String) getArgument("PrintStream", "println", 0, 0);
        assertNotNull(arg1);
        for (int i = 1; i < count; i++) {
            String arg2 = (String) getArgument("PrintStream", "println", i, 0);
            assertEquals(arg1, arg2);
        }
    }
    
    @Override
    public Object createReturnValue(Object[] arg0) {
        return new Random(seed);
    }
}