JAVA Array Which will legally declare, construct, and initialize an array? int [] myList = {}; int [] myList = (5, 8, 2); int myList [] [] = {4,9,7,0}; int myList [] = {4, 3, 7}; int [] myList = {}; int [] myList = (5, 8, 2); int myList [] [] = {4,9,7,0}; int myList [] = {4, 3, 7}; 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 An exception is thrown at runtime. args[2] = 2 args[2] = 3 args[2] = null An exception is thrown at runtime. args[2] = 2 args[2] = 3 args[2] = null ANSWER DOWNLOAD EXAMIANS APP
JAVA Array Determine output:public class Test{ public static void main(String[] args){ int[] x = {1, 2, 3, 4}; int[] y = x; x = new int[2]; for(int i = 0; i < x.length; i++) System.out.print(y[i] + " "); }} None of these 1 2 3 4 0 0 0 0 0 0 1 2 None of these 1 2 3 4 0 0 0 0 0 0 1 2 ANSWER DOWNLOAD EXAMIANS APP
JAVA Array What is the result of compiling and running the following code?public class Test{ public static void main(String[] args){ int[] a = new int[0]; System.out.print(a.length); }} Compilation error, arrays cannot be initialized to zero size. Compilation error, it is a.length() not a.length None of these 0 Compilation error, arrays cannot be initialized to zero size. Compilation error, it is a.length() not a.length None of these 0 ANSWER DOWNLOAD EXAMIANS APP
JAVA Array Which one of the following is a valid statement? 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]; char[] c = new char(); char[] c = new char(4); 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 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. 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. ANSWER DOWNLOAD EXAMIANS APP
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