JAVA
2.7K subscribers
73 photos
111 files
76 links
Download Telegram
Q. If an unique key constraint on DATE column is created will it accept the rows that are inserted with SYSDATE?
Anonymous Quiz
59%
Will
41%
Won't
What is the Result of the following 'VIK'||NULL||'RAM' ?
Anonymous Quiz
19%
Error
19%
NULL
37%
VIKRAM
24%
VIK RAM
public class Main
{
public static void main(String[] args) {
int num1,num2;
try{
num1=0;
num2=62/num1;
System.out.println("Try block message");
System.exit(0);
}catch(ArithmeticException e){
System.out.println("Error: Don't divide a Number of num1");
System.exit(0);
}
finally{
System.out.println("Give another number of num1");
}
}
}
public class Main
{
static final Integer i1=1;
final Integer i2=2;
Integer i3=3;
public static void main(String[] args) {
final Integer i4=4;
Integer i5=5;
class Inner{
final Integer i6=6;
Integer i7=7;
Inner(){
System.out.println(i6+i7);
}
}
}
}
public class Main
{
public static void main(String[] args) {
String s1="JAVA";
StringBuilder s2=new StringBuilder(s1);
System.out.println(s1.compareTo(s2)==s2.compareTo(s1));
}
}
public class Main
{
public static void main(String[] args) {
int i=0;
addTwo(i++);
System.out.println(i);
}
static void addTwo(int i){
i+=2;
}
}
Options
Anonymous Quiz
9%
0
16%
1
35%
2
40%
3
public enum TrafficLight
{
RED("Stop"),YELLOW("Caution"),GREEN("Go");
private String action;
TrafficLight(String action){
this.action=action;
}
public static void main(String[] args) {
TrafficLight green=new TrafficLight("Go");
System.out.println(GREEN.equals("green"));
}
}
import java.util.*;
public class Main
{
public static void main(String[] args) {
Collection<String> words=new ArrayList();
words.add("Don't");
words.add("change");
words.add("me!");
System.out.println("Before : "+words);
for(String word:words){
System.out.print(word.toUpperCase()+"_");
}
System.out.println();
System.out.println("After : "+words);
}
}
Which declaration can be inserted at (1) without using a compilation error?
interface IConstants
{
int radius=42;
int side=69;
//(1) INSERT CODE HERE
}
Select the two correct answer.

(a)final double circumference= 2*Math.PI*radius;
(b)int total=total+radius+side;
(c)int AREA=radius*side;
(d)public static MAIN=15;
(e)protected int CODE = 31337;
public class Main{
public static void main (String[] args) {
int i=0;
int[] a={3,6};
a[i]=i=9;
System.out.println(i+" "+a[0]+" "+a[1]);
}
}
public class Main{
public static void main (String[] args) {
String s="Contenment!";
int middle=s.length()/2;
String n=s.substring(middle-1,middle+1);
System.out.println(s.lastIndexOf(n,middle));
}
}
Which of the following is not a part of Data definition language
Anonymous Quiz
31%
RENAME
24%
REVOKE
24%
GRANT
22%
UPDATE