In this sample, the variable x is first declared as an int, and is then assigned the value of 10. Notice that the declaration and assignment occur in the same statement. In the second line, y is declared without an assignment. In the third line, x is reassigned the value of 23. Finally, y is assigned the value of 32.4.
1 Head and neck: Make sure that your head extends straight up from your shoulders. 2  Many people tend to lean their head forward. 3  If your ears line up with the front of your chest, you need to pull your head back. 4  Shoulders, arms, and hands: Your arms and hands should fall on the side of your body. Many people tend to lean their head forward. 2  If your ears line up with the front of your chest, you need to pull your head back. 3  Shoulders, arms, and hands: Your arms and hands should fall on the side of your body. 4  If so, your shoulders are exhibiting good posture.
Instructions. 1  Begin in a seated position with your knees bent and your feet flat on the floor. 2  Lift your feet off the floor. 3  Your torso will naturally fall back, but do not let the spine round.  Straighten your legs to a 45-degree angle if you can do so without losing the integrity of your upper body.