We are writing an application to manage auto parts. Auto part has String key as id.

Which collection will be the most efficient, if we are going to search parts by id?

What is the purpose of EL(Expression Language) in Java Web Application?

Result of the code? public class Quest { int i=0; public static void main(String argv[]) { } Quest() { top: while(i <2) { System.out.println(i); i++; continue top; } } }

Output of the given program? public class Test96 { public static void main(String[] args) { int[] a = new int[2]; System.out.println(a.length); } }

Which is true? (Choose all that apply) 1: public class UpWork { 2: 3: public void freelancer(boolean time) { 4: 5: if (time) { 6: 7: } 8: System.out.println(result); 9: 10: } 11: }

public interface Foo { int k = 4; /* Line 3 */ } Which three piece of codes are equivalent to line 3? 1, final int k = 4; public int k = 4; static int k = 4; abstract int k = 4; volatile int k = 4; protected int k = 4;

Which will declare an array and initialize it with five numbers?