void main(){ char far *p = 0x417; *p=64; }

void main() { int a[2][3]={{1,2,3},{4,5,6}}; printf("%d\n",++**(a+1)); }

Which of the following operator when used with numbers is not efficient ?

Which of the following statements hold true in the following program? package generics; import java.util.ArrayList; import java.util.List; public class Ques04 { public static void main(String[] args) { List extends Instrument> allInstruments = new ArrayList(); // -->X allInstruments.add(new Guitar()); allInstruments.add(new Violin()); } } interface Instrument { public void play(); } class Guitar implements Instrument { public void play(){ System.out.println("Playing Guitar."); } } class Violin implements Instrument { public void play(){ System.out.println("Playing Violin."); } }

what is the output of compiling an running the following code? import java.util.*; class CheckTest { public static void main(String [] args) { Hashtable ht = new Hashtable(); ht.put("chec", "check"); ht.put(1000, "check"); // line 1 ht.put("check", 20.01); // line 2 System.out.print(ht.get("chec") + " "); System.out.print(ht.get(1000) + " "); //line 3 System.out.print(ht.get("check")); //line 4 } }

In the init(ServletConfig) method of Servlet life cycle, what method can be used to access the ServletConfig object ?

What is the output for the following lines of code? import java.io.*; public class FileHandling { public static void main (String[] arg) throws Exception { File f = new File ("ll.txt"); FileOutputStream s = new FileOutputStream(f); PrintStream p = new PrintStream (s); p.println("hi"); } }

What is the output for the following lines of code? 1: String str = "Welcome"; 2: 3: str.concat(" to Java!"); 4: 5: System.out.println(str);

What is the output for the following lines of code? 1: public class Q8 2: { 3: int i = 20; 4: static 5: { 6: int i = 10; 7: 8: } 9: public static void main(String[] args) 10: { 11: Q8 a = new Q8(); 12: System.out.println(a.i); 13: } 14: }

Which method names follow the JavaBeans standard?

Given: class Sixties { public static void main(String[] args) { int x = 5; int y = 7; System.out.print(((y * 2) % x)); System.out.print(" " + (y % x)); } } What is the result?

Given: public class MyOuter { public static class MyInner { public static void foo() { } } } Which, if placed in a class other than MyOuter or MyInner, instantiates an instance of the nested class?

public static void main(String[] args) { Queue q = new LinkedList(); q.add("Veronica"); q.add("Wallace"); q.add("Duncan"); showAll(q); } public static void showAll(Queue q) { q.add(new Integer(42)); while (!q.isEmpty()) System.out.print(q.remove() + " "); }

Properties meant for protecting a field in a class?

You can not change fields internal implementation over time?

We achieve Encapsulating Type State with Properties?