How To Run Integration Test Cases Sequentially

import org.junit.FixMethodOrder;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.MethodSorters;
import org.springframework.test.context.junit4.SpringRunner;

@RunWith(SpringRunner.class)
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class abs {

    int num1 = 25;
    int num2 = 10;
    static int result; // to use the same updated object at each block as static is a class level variable

    @Test
    public void test1_AddNumbers() throws Exception {
        result = num1 + num2;
        System.out.println("Result after addition:" + result);
    }

    @Test
    public void test2_substractSum() throws Exception {

        System.out.println("Result in Second Block:" + result);
        result = num1 - num2;
        System.out.println("Result After substraction:" + result);
    }

    @Test
    public void test3_print() throws Exception {
        System.out.println(num1 + " " + num2);
    }

}