Java: Loop Exercises 4

1. Translate this for loop into a while loop.

      int sum = 0;
      for (int i = 1; i <= 5; i++) {
          sum = sum + i;
      }
   

2. Translate this while loop into a for loop.

      int stripes = 0;
      while (stripes < 13) {
          if (stripes%2 == 0) {
              g.setColor(Color.RED);
          }else{
              g.setColor(Color.WHITE);
          }
          g.fillRect(x, stripes*10, w, 10);
          stripes = stripes + 1;
      }   
   

3. What does this display?

      for (int i=1; i<4; i++) {
          for (int j=3; j>0; j--) {
              g.drawLine(100, 50*i, 200, 50*j);
          }
      }