Java Basics

Which four options describe the correct default values for array elements of the types indicated?

• 1, 2, 3, 4

• 1, 3, 4, 5

• 2, 4, 5, 6

• 3, 4, 5, 6

Which one of these lists contains only Java programming language keywords?

• class, if, void, long, Int, continue

• try, virtual, throw, final, volatile, transient

• goto, instanceof, native, finally, default, throws

• strictfp, constant, super, implements, do

• byte, break, assert, switch, include

Which will legally declare, construct, and initialize an array?

• int [] myList = {"1", "2", "3"};

• int [] myList = (5, 8, 2);

• int myList [] [] = {4,9,7,0};

• int myList [] = {4, 3, 7};

Which is a valid keyword in java?

• interface

• string

• Float

• unsigned

Which three are legal array declarations?

• 2, 3, 4

• 2, 4, 5

• 1, 2, 4

• All are correct.

Which three are valid declarations of a float?

• 1, 2, 4

• 2, 3, 5

• 1, 3, 6

• 2, 4, 6

What is the numerical range of a char?

• -128 to 127

• -(2¹⁵⁾ to (2¹⁵) - 1

• 0 to 32767

• 0 to 65535

What will be the output of the program?

• 12 15

• 3 4 5 3 7 5

• 15 15

• 3 7 5 3 7 5

What will be the output of the program?

• true

• false

• Compilation fails

• An exception is thrown at runtime

What will be the output of the program?

• small

• huge

• tiny

• Compilation fails