Java Interview question Set-1:
SET-01 1-10
Java Interview question Set-2:
Java Interview question Set-3:
public class firstsecodlargest {
public static void main(String[] args) {
int[] arr = {1,2,3,4,5,6};
int firstlargest=0;
int secondlargest=0;
int i=0;
int n= arr.length;
for (i=0;i<n;i++)
{
if (arr[i]>firstlargest){
secondlargest=firstlargest;
firstlargest=arr[i];
}
}
System.out.println(firstlargest + " " + secondlargest);
}}
2. How to do sorting in HashMap?
3. How to find maximum and minimum in an ARRAY?
class maxminarray {
static int findmax[] = {10, 324, 45, 90, 9808};
static int max()
{
int i;
int max = findmax[0];
for (i=1;i<findmax.length;i++)
if (findmax[i] > max)
max = findmax[i];
return max;
}
static int min()
{
int i;
int min = findmax[0];
for (i=1;i<findmax.length;i++)
if (findmax[i] < min)
min = findmax[i];
return min;
}
public static void main(String[] args) {
System.out.println("largest element is:" + max() + "\n" + "smallest element is:" + min());
}
}
4. How to Add/Join/Combine two list?
5. Give an example of Overriding?
package LearnJavaCoding;
class overriding {
public void test(String name) {
System.out.println("testone");
}}
class child extends overriding{
protected void test() {
//super.test();
System.out.println("testtwo");
}
}
class testthree{
public static void main(String args[]) {
child chg = new child();
chg.test();
}}
6. How to find duplicate element in Array?
7. How to check if two strings are Anagrams?
public class Anagrams {
/* function to check whether two strings are
anagram of each other */
static boolean areAnagram(char[] str1, char[] str2)
{
// Get lenghts of both strings
int n1 = str1.length;
int n2 = str2.length;
// If length of both strings is not same,
// then they cannot be anagram
if (n1 != n2)
return false;
// Sort both strings
Arrays.sort(str1);
Arrays.sort(str2);
// Compare sorted strings
for (int i = 0; i < n1; i++)
if (str1[i] != str2[i])
return false;
return true;
}
/* Driver program to test to print printDups*/
public static void main(String args[])
{
char str1[] = { 't', 'e', 'w', 't' };
char str2[] = { 't', 't', 'e', 'w' };
if (areAnagram(str1, str2))
System.out.println("The two strings are"
+ " anagram of each other");
else
System.out.println("The two strings are not"
+ " anagram of each other");
}
}
8. How to reverse a string without using function?
**********************
Check Selenium Interviewquestions from 1 to 10 below:
Check Selenium-SDET-UIAutomation Questions set 21 to 30:
Check Selenium-SDET-UIAutomation Questions set 41-50:
Q&A Set 41-50
**********************
9. How to find a number is Palindrome or not?
public static void main(String args[]){
int r,sum=0,temp;
int n=454;//It is the number variable to be checked for palindrome
temp=n;
while(n>0){
r=n%10; //getting remainder
n=n/10;
sum=(sum*10)+r;
}
if(temp==sum)
System.out.println("palindrome number ");
else
System.out.println("not palindrome");
}
}
10. How to check a number is prime or not?
Java Interview question Set-1:
SET-01 1-10
Java Interview question Set-2:
Java Interview question Set-3:
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hey siddarth , can you post some more coding questions?
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