JAVA Array Which one of the following is a valid statement? char[] c = new char[]; char[] c = new char(4); char[] c = new char(); char[] c = new char[5]; char[] c = new char[]; char[] c = new char(4); char[] c = new char(); char[] c = new char[5]; ANSWER DOWNLOAD EXAMIANS APP
JAVA Array What will be the output of the program?public class Test{ public static void main(String [] args){ String s1 = args[1]; String s2 = args[2]; String s3 = args[3]; String s4 = args[4]; System.out.print(" args[2] = " + s2); }}and the command-line invocation is C:Java> java Test 1 2 3 4 args[2] = 2 args[2] = 3 args[2] = null An exception is thrown at runtime. args[2] = 2 args[2] = 3 args[2] = null An exception is thrown at runtime. ANSWER DOWNLOAD EXAMIANS APP
JAVA Array What will be the output?public class Test{ public static void main(String[] args){ int[] a = new int[4]; a[1] = 1; a = new int[2]; System.out.println("a[1] is " + a[1]); }} The program has a runtime error because a[1 a[1] is 0 a[1] is 1 The program has a compile error because new int[2 The program has a runtime error because a[1 a[1] is 0 a[1] is 1 The program has a compile error because new int[2 ANSWER DOWNLOAD EXAMIANS APP
JAVA Array What will be the output?public class Test{ public static void main(String[] args){ int[] x = new int[3]; System.out.println("x[0] is " + x[0]); }} The program runs fine and displays x[0] is 0. The program has a runtime error because the array element x[0] is not defined. The program has a runtime error because the array elements are not initialized. The program has a compile error because the size of the array wasn't specified when declaring the array. The program runs fine and displays x[0] is 0. The program has a runtime error because the array element x[0] is not defined. The program has a runtime error because the array elements are not initialized. The program has a compile error because the size of the array wasn't specified when declaring the array. ANSWER DOWNLOAD EXAMIANS APP
JAVA Array What is output of the following code:public class Test{ public static void main(String[] args){ int[] x = {120, 200, 016 }; for(int i = 0; i < x.length; i++) System.out.print(x[i] + " "); }} 120 200 16 120 200 14 120 200 016 016 is a compile error. It should be written as 16. 120 200 16 120 200 14 120 200 016 016 is a compile error. It should be written as 16. ANSWER DOWNLOAD EXAMIANS APP
JAVA Array Which will legally declare, construct, and initialize an array? int myList [] = {4, 3, 7}; int myList [] [] = {4,9,7,0}; int [] myList = (5, 8, 2); int [] myList = {}; int myList [] = {4, 3, 7}; int myList [] [] = {4,9,7,0}; int [] myList = (5, 8, 2); int [] myList = {}; ANSWER DOWNLOAD EXAMIANS APP
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