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
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 An exception is thrown at runtime. args[2] = 3 args[2] = null args[2] = 2 An exception is thrown at runtime. args[2] = 3 args[2] = null ANSWER DOWNLOAD EXAMIANS APP
JAVA Array Which one of the following is a valid statement? char[] c = new char[5]; char[] c = new char(); char[] c = new char[]; char[] c = new char(4); char[] c = new char[5]; char[] c = new char(); 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 runtime error because the array elements are not initialized. 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 compile error because the size of the array wasn't specified when declaring the array. The program has a runtime error because the array elements are not initialized. 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 compile error because the size of the array wasn't specified when declaring the array. ANSWER DOWNLOAD EXAMIANS APP
JAVA Array What would be the result of attempting to compile and run the following code?public class HelloWorld{ public static void main(String[] args){ double[] x = new double[]{1, 2, 3}; System.out.println("Value is " + x[1]); }} The program has a compile error because the syntax new double[]{1, 2, 3} is wrong and it should be replaced by {1, 2, 3}. The program compiles and runs fine and the output The program has a compile error because the syntax new double[]{1, 2, 3} is wrong and it should be replaced by new double[3]{1, 2, 3}; The program has a compile error because the syntax new double[]{1, 2, 3} is wrong and it should be replaced by new double[]{1.0, 2.0, 3.0}; The program has a compile error because the syntax new double[]{1, 2, 3} is wrong and it should be replaced by {1, 2, 3}. The program compiles and runs fine and the output The program has a compile error because the syntax new double[]{1, 2, 3} is wrong and it should be replaced by new double[3]{1, 2, 3}; The program has a compile error because the syntax new double[]{1, 2, 3} is wrong and it should be replaced by new double[]{1.0, 2.0, 3.0}; ANSWER DOWNLOAD EXAMIANS APP
JAVA Array When you pass an array to a method, the method receives ________ . A copy of the first element. A copy of the array. The reference of the array. The length of the array. A copy of the first element. A copy of the array. The reference of the array. The length of the array. ANSWER DOWNLOAD EXAMIANS APP
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