1. list[1] + list [3] = 2 + 4 = 6 2. [D] main method causes ArrayIndexOutOfBoundsException 3.False 4. [4] System.out.println(list1[3]) = 4; [5] System.out.println(list2.length) = 4; [6] System.out.println(list3.length) = 4; [7] System.out.println(list3[3].length) = 1; [8] System.out.println(list3[1][2]) = 3; [9] System.out.println(list4.length) = 6; 5. [10] System.out.println(x) = 1; [11]System.out.println(i) = 5; [12]System.out.println(index) = 4; Solution 1. list[1] + list [3] = 2 + 4 = 6 2. [D] main method causes ArrayIndexOutOfBoundsException 3.False 4. [4] System.out.println(list1[3]) = 4; [5] System.out.println(list2.length) = 4; [6] System.out.println(list3.length) = 4; [7] System.out.println(list3[3].length) = 1; [8] System.out.println(list3[1][2]) = 3; [9] System.out.println(list4.length) = 6; 5. [10] System.out.println(x) = 1; [11]System.out.println(i) = 5; [12]System.out.println(index) = 4;.