JAVA Programming Questions How to add argument in java class AddArguments { public static void main(String[] args) { int sum=0; for(int i=0;i<args.length;i++) { sum=sum+Integer.parseInt(args[i]); } System.out.println("after add all args :"+sum);…
Thread is a light-weight process. The processing unit is known as a thread. When a process is divided into multiple parts and each part can be executed independently, then it…
HashSet and TreeSet both are present in java. util package.Both evaluate on the basis of object values, not on the basis of the index.Both cannot store any duplicate index. HashSet…
ArrayList in Java ArrayList is a part of the Collection framework and it is present in java. util package. It provides dynamic arrays in Java. The similarity between the array…
Stack Stack in Java, The evaluation of stack is always LIFO(last in first out) order. The operation on the stack always for the top of the stack. The stack is…
Collection Framework In java collection framework is classes and interfaces which are generally used to implement data structure. The collection is a group of similar types of object and itself…
Exception Handling It is a situation in which the program terminates abnormally. In Java, an exception is divided into two categories:- If an exception occurs at the time of run…
File in JAVA The file is a container which stores data permanently Data can be stored in two different ways :-For a temporary period with RAM memory :-For permanently period…
String, String Buffer and String Builder in JAVA:- String:- String is predefined final class present in the default package. As string is a final class it cannot be inherited. String…
Array in JAVA:- Array in Java is a collection of similar types of data store in sequential order. It is used to create a list Array is static in nature.…
Working with super keyword:- Super keyword in java which can be used to solve 3 different problems. Super always refers to parent class object. superkeyword in Java is a reference…
Working with “this” keyword:- This keyword in java is a keyword which always refers to a current class object.T he difference between ‘new’ and ‘this’ is new is responsible to…