Core java Archive
In this post ,we will try to understand hashcode() and equals() method in java. Java HashMap: HashMap in java How HashMap works in java hash and indexfor method in HashMap hashcode and equals method in …
In this post, we will see how to read UTF-8 Encoded Data. Sometimes, we have to deal with Encoded Data in our application. It may be due localization or may be processing data from …
In this post, we will see how to write UTF-8 Encoded Data. Sometimes, we have to deal with Encoded Data in our application. It may be due localization or may be processing data from …
In this post, we will see about modulo or modulus operator in java. Modulo operator() is used to find the when one integer is divided by another integer. Modulo operator Syntax We can’t …
In this post, we will see about . You might get java.lang.reflect.InvocationTargetException while working with reflection in java. Reason for java.lang.reflect.InvocationTargetException Reflection layer throws this exception when calling method or constructor throws any exception. …
In this post, we will see how to define global variables in java. Unlike C/C++, there are no standard global variables in java but you can still define global variables that can be used across …
In this post, we will see how to resolve . There can be multiple reasons for this exception and let’s see it one by one. connector jar is not on classpath you need make sure …
In this post, we will see about how to implement static block in java. Here are some important points about static block in java. is used for static initializations of a class Static block …
In this post, we will see what is default value of and in java. 💡 Did you know? The Default value of is and wrapper class is . Here is …
In this post, we will see how to initialize List of String in java. Can you initialize List of String as below: because List is an interface and it can not be instantiated …
In this post, we will see how to get current timestamp in java. There are multiple ways to get current timestamp in java. Using Java 8’s Instant class There are three ways to get timestamp …