1) A) What output is produced by the following code? int key = 1; switch (key +1) case 1: A) System.out.println("Study English"); break; case 2: System.out,println"Study Math") break B) case 3: System.out.println"Study Physics"); break case 4: System.out.println "Study Programming"); break; default: System.out.println("Watch TV"); break B) What output is produced if the first line were int key 5; 2) What output is produced by the following statements? int number = 7; boolean isPositive = (number > 0); if (number >0) if (isPositive) else System.out.println(number); number =-100; System.out,println"Positive."); System.out,println("Not positive."); Suppose number is a variable of type int that has been given a value. Write a multibranch if-else statement that displays the word High if number is greater than 10 Low if number is less than 5 and So-so if number is anything else. 3)