Write a for loop that displays the following set of numbers: 8 16 32 64 128 256

Question

Write a for loop that displays the following set of numbers: 8 16 32 64 128 256 512 1024 Convert the following if-else-if statement into a switch statement: if(grade == 'a' BoxV grade == 'A') System.out.println(grade + "! Congratulations!"); else if (grade == 'b' BoxV grade == 'B') System.out.println(grade + "Good! Work hard!"); else if (grade == 'c' BoxV grade == 'C') System.out.println(grade + "OK, you can do better!"); else if (grade == 'd' BoxV grade == 'D') System.out.println(grade + "Not good! Work harder!"); else if (grade == 'f' BoxV grade == 'F') System.out.println(grade + "You failed. You need to work harder!"); else System.out.println("No such grade: "+ grade + "-Select again please".)

Explanation / Answer

Question 1:

Here is code:

int data = 8;
for (int i = 0; i < 7; i++) {
data = data * 2;
System.out.print(data + " ");
}

Question 2:

switch(grade)
{
case 'a':
case 'A':
System.out.println(grade + "! Congratulations!");
break;
case 'b':
case 'B':
System.out.println(grade + " Good! Work hard!");
break;
case 'c':
case 'C':
System.out.println(grade + " OK, you cand do better!");
break;
case 'd':
case 'D':
System.out.println(grade + "Not good! Work harder!");
break;
case 'f':
case 'F':
System.out.println(grade + " You failed. You need to work harder!");
break;
default:
System.out.println("No such grade: "+grade+ " - Select again please.");
}

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