Java collections interview programming questions

java Collections interview Questions

1. Introduction to Collection Framework  


2. Collection Interface in Java 
3. Top 20 collection framework interview questions for freshers and experienced

Collection set interface: 

1. Collection Set Interface    

Hashset Class in Collection framework: (Java programming questions)

1. Hashset class in java  
2. Get Size of Java HashSet Example 
3. Remove specified element from Java HashSet example
4. Check if a particular element exists in Java HashSet Example 
5. Java program to Copy all elements of Java HashSet to an Object Array 

LinkedHashSet Class in Collection framework: (Java programming questions)

1. Check if a particular element exists in Java LinkedHashSet Example
2. Remove specified element from Java LinkedHashSet example 
3. Remove all elements LinkedHashSet example

Treeset Class in Collection framework: (Java programming questions)
 

1. Java Program to convert Treeset to an interger array  
2. Get Size of Java TreeSet Example
3. Get lowest and highest value stored in Java TreeSet example
4. Sort employee object in descending order using comparable and TreesSet 
5. Basic Java program to Remove specified element from TreeSet example

 Collection List Interface:

1. Collection List Interface 

ArrayList Class in Collection framework: (Java programming questions)

1.  How to Iterate ArrayList using Java ListIterator Example  
2. Arraylist add element at specific index 
3. Sort ArrayList in descending order
4. Java program to insert an element to ArrayList using ListIterator Example  
5. How to sort arraylist of strings alphabetically java 
6. Java Program to Sort elements of Java ArrayList Example
7. Basic Java example program to replace an element at specified index arraylist
8. Search an element of Java ArrayList Example
9. Java Example Program to Remove element from specified index ArrayList 
10. Remove duplicates from arraylist without using collections

Map Interface In java

1. Map interface  

HashMap Class in Collection framework: (Java programming questions)

1. Basic Java Example program Check if a particular key exists HashMap 
2. Check if a particular key exists in Java Hashtable example  
3. Java Basic example program to check particular value exists in hashmap
4. Java program to remove key value from hashmap
5. Convert keys of a map to List 
6. Convert Values of a map to List 
7. Java Coding Interview programming Questions : Java Test on HashMap

 Hashtable Class in Collection framework: (Java interview programming questions)

1. Check particular value exist in hashtable
2. Iterate through keys of hashtable java
3. Iterate through values of hashtable java 
4. Remove key value pair from hashtable java example
5. Remove all elements from hashtable java example 
6. Java Collections example program Get Set view of Keys from Hashtable example 
7. Get collection values from hashtable example

Java collections programming interview questions 

1. Top 20 collection framework interview questions for freshers and experienced  
2. Collection vs Collections
3. Difference between enumeration and iterator and list iterator? 
4. Difference between arraylist and vector 
5. Differences between HashMap and Hash-table  
6. Comparable vs Comparator 
7. Custom iterator in java   
8. Remove duplicates from arraylist without using collections

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Java collections interview programming questions

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