A semicolon (;) is used to terminate a statement in Java.
What are the Java access modifiers?
The Java access modifiers include public, protected, private, and default, which control the visibility of classes, methods, and fields.
What are the primitive data types in Java?
The primitive data types in Java are int, char, boolean, byte, short, long, float, and double.
How do you write a single-line comment in Java?
A single-line comment in Java is written using double slashes: // comment.
How do you write a multi-line comment in Java?
A multi-line comment is written between /* and */ symbols.
What is the syntax to declare an array in Java?
An array in Java can be declared as int[] myArray = new int[10]; or int[] myArray = {1,2,3};
What is the use of 'import' in Java?
The 'import' statement in Java is used to bring other classes and packages into visibility, allowing their use in the current class.
How do you create an instance of a class in Java?
You create an instance of a class in Java using the 'new' keyword, like ClassName obj = new ClassName();
What is the difference between '==' and 'equals()' in Java?
'==' checks if two references point to the same object, while 'equals()' checks if the objects themselves are logically equal.
How do you handle exceptions in Java?
Exceptions in Java are handled using try-catch blocks, where code that might throw an exception is placed in the 'try' block, and the 'catch' block handles the exception.
What is a loop in Java?
A loop in Java is a construct that allows for repeated execution of a block of code, using structures like for, while, or do-while.
How is a switch statement structured in Java?
A switch statement in Java evaluates an expression and executes code blocks associated with matching cases or a default case.
What is 'this' keyword in Java?
The 'this' keyword refers to the current instance of a class, commonly used to access fields or call methods hidden by parameters or other scope variables.
What does 'final' keyword mean when applied to a variable, method, or class in Java?
The 'final' keyword makes a variable constant (unmodifiable), prevents a method from being overridden, and a class from being subclassed.
What is the purpose of the 'static' keyword in Java?
The 'static' keyword is used to denote that the field, method, or block belongs to the class rather than an instance, allowing access without creating an object.