What are the keywords in Java?
Java Language Keywords
What is a long in Java?
The long is a numeric data type in Java. This is also the primitive type. The long type takes 64 bits of memory. The maximum value that a long type variable can store is 9,223,372,036,854,775,807L. The minimum value is -9,223,372,036,854,775,808L.
Is short a keyword in Java?
The short keyword is a data type that can store whole numbers from -32768 to 32767.
What is not a Java keyword?
Note: true , false , and null are not keywords, but they are literals and reserved words that cannot be used as identifiers.
Is void a keyword in Java?
Void: It is a keyword and used to specify that a method doesn’t return anything. As main() method doesn’t return anything, its return type is void. … main: It is the name of Java main method.
What is type long?
Long is a data type used in programming languages, such as Java, C++, and C#. A constant or variable defined as long can store a single 64-bit signed integer. … Because the long data type is signed, the possible integers range from -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807, including 0.
Should I use long or int?
The typical thing to do is to just use int if you don’t care about the size of the integer. If you need a 64-bit integer, then you use long . If you’re trying to use less memory and int is far more than you need, then you use byte or short .
Is Java a camel case?
Java uses CamelCase as a practice for writing names of methods, variables, classes, packages, and constants. … In constants, we do use everything as uppercase and only ‘_’ character is used even if we are combining two or more words in java.
Is malloc a keyword in Java?
No direct equivalents exist in Java: C malloc creates an untyped heap node and returns you a pointer to it that allows you to access the memory however you want. Java does not have the concept of an untyped object, and does not allow you to access memory directly.
Is static a keyword in Java?
In Java, static keyword is mainly used for memory management. It can be used with variables, methods, blocks and nested classes. It is a keyword which is used to share the same variable or method of a given class. Basically, static is used for a constant variable or a method that is same for every instance of a class.
What does float a 35 0 return mean?
10) What does the expression float a = 35 / 0 return? Explanation: In Java, whenever we divide any number (double, float, and long except integer) by zero, it results in infinity.
Which is valid keyword in Java?
The correct answer to the question “Which is a valid Keyword in Java” is, option (a). interface.