Java Programming questions and answers in January 2022

Using the Java snippet below, what object-oriented principle (s) are being applied here? inheritance + polymorphism (method overriding) public interface Y { O encapsulation only public void start( ); ...
Match all the parts of this method signature in Java: O protected = class scope declaration static = access modifier protected static String findName(long id) {} String = method parameter id = return ...
Using the Java snippet below, where can z be accessed from? only A public class Test { O A, B, and D int x; O only C public Test( ) { 1/ A O A, B, C, and D public int dostuff( ) { Clear Next int y; 1/...
Predict the output of this Java code snippet true; one; three O false; one; three boolean a = true; boolean b = !a; O false; two; three System . out . printIn(b) ; if (a && b) { O false; two; ...
Predict the output of this Java code snippet O 2 int [ ] nums = {2, 9, 1, 5, 8, 3, 2} ; int x = 0; 0 4 for (int i = 0; i < nums . length; i++) { 0 5 if ( nums [i] != 8) { continue; O 3 } else if (n...
Predict the output of this Java code snippet O 2 int [ ] nums = {1, 2, 3, 4, 5, 6} ; 0 3 int sum = 0; int x = 0; 0 6 while (x < 3) { sum += nums [x]; O 21 x+ +; Clear Next System . out . printIn (s...
Why does this Java code not print "hello world"? The String constructor is not used String h = "hello"; The print statement is not correct h . concat (" world"); String d...
In the Java code below, how could you change it to make it print "bar" instead? Change the order of the names in the array String[ ] names = {"Andrew", "Bob"} Add another...
Predict the output of this Java code snippet It prints "bar" because the first name is "Andrew" String[ ] names = {"Andrew", "Bob" } O It prints "foo"...