Learn Java Programming

Java Basics

No enclosing instance of type is accessible

The java No enclosing instance of type is accessible. Must qualify the allocation with an enclosing instance of type (e.g. x.new A() where x is an instance of ). exception happens when an instance is created for an inner class in the outer class static method. The static method attempts

Local variable name defined in an enclosing scope must be

The Local variable name defined in an enclosing scope must be final or effectively final exception occurs where the local variable used in the lamda expression is not a final or effectively final variable. In the lamda expression, the local variable can only be used if the variable is final

Remove Element from an Array in Java

Removing an element from the java array is done by locating the item index and shifting the rest of the items to the index position. The Java array can’t be modified. We can’t remove a specific item from the Java array. The alternative is to shift the rest of the

Convert String to Int in Java

How to Convert String to Int in Java – we can convert String to an int using Integer.parseInt() method. We can also convert String to an Integer object using Integer.valueOf() method. You can use the Integer.parseInt() function to get the original int value. The Integer.valueOf() method returns the Integer wrapper