JAVA Array Which will legally declare, construct, and initialize an array? int [] myList = {}; int myList [] = {4, 3, 7}; int [] myList = (5, 8, 2); int myList [] [] = {4,9,7,0}; int [] myList = {}; int myList [] = {4, 3, 7}; int [] myList = (5, 8, 2); int myList [] [] = {4,9,7,0}; 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); }} 0 Compilation error, it is a.length() not a.length None of these Compilation error, arrays cannot be initialized to zero size. 0 Compilation error, it is a.length() not a.length None of these Compilation error, arrays cannot be initialized to zero size. ANSWER DOWNLOAD EXAMIANS APP
JAVA Array What is the output of the following code?public class Test{ public static void main(String args[]){ double[] myList = {1, 5, 5, 5, 5, 1}; double max = myList[0]; int indexOfMax = 0; for(int i = 1; i < myList.length; i++){ if(myList[i] > max){ max = myList[i]; indexOfMax = i; } } System.out.println(indexOfMax); }} 4 1 0 2 3 4 1 0 2 3 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 compile error because new int[2 a[1] is 1 a[1] is 0 The program has a runtime error because a[1 The program has a compile error because new int[2 a[1] is 1 a[1] is 0 The program has a runtime error because a[1 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 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}; 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 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
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