After the following code fragment, what is the value in a?~~~String s; int a;~~~s = "Foolish boy."; a = s.indexOf("fool");

Related MCQs

• Given the following code fragment:~~~int A[];int i = 0;A = new int A[4];~~~while (i < 4)~~~{~~~A[i] = 10;~~~i = i + 1;~~~}~~~What is the value of A[3]?.
• What is the value of k after the following code fragment?~~~int k = 0;~~~int n = 12~~~while (k < n)~~~{~~~k = k + 1;~~~}
• In RMI program the following example shows the, import java.rmi.*; public interface Adder extends Remote{ public int add(int x,int y)throws RemoteException; }
• What will be the content of array variable table after executing the following code? for (int i = 0; i < 3; i++) { for (int j = 0; j < 3; j++) { if (j == i) { table[i][j] = 1; } else { table[i][j] = 0; } } }
• Given the following code:~~~class Base { int x = 10; }~~~class Derived extends Base~~~{ int x = 20; }~~~Base b = new Base();~~~Derived d = new Derived ( );~~~Base bd = new Derived(); The statement~~~System.out.println(b.x + " " + d.x + " " + bd.x);~~~will produce the output
• Consider the following code: int x, y, z;~~~y = 1;~~~z = 5;~~~x = 0 - (++y) + z++;~~~after execution of this, what will be the values of x, y and z?
• What will be the result of compiling the following code?~~~public class Test~~~{~~~static int age;~~~public static void main (String args [])~~~{~~~age = age + 1;~~~System.out.println("The age is " + age);~~~}~~~}
• If you run the code below, what gets printed out?String s=new String ("Bicycle"); int iBegin=1; char iEnd=3; System.out.println (s.substring (iBegin, iEnd));
• Consider public class MyClass{ public MyClass(){/*code*/} // more code... } To instantiate MyClass, you would write?
• Consider the following list. int[] intList = {35, 12, 27, 18, 45, 16, 38}; What is the minimum number of comparisons that have to be made to find 18 using a sequential search on intList?