Java long keyword example

In Java, the long keyword is used to declared a variable as a numeric type. A long value can hold a 64-bit integer number which ranges from -2⁶³ to 2⁶³ - 1. For example:

long amount;

The long keyword can be used to declared return type of a method as well:

public long getAmount() {
    return amount;
}

See all keywords in Java.

Related Topics:

• Summary of primitive data types in Java
• Notes about numeric literals in Java

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About the Author:

Nam Ha Minh is certified Java programmer (SCJP and SCWCD). He began programming with Java back in the days of Java 1.4 and has been passionate about it ever since. You can connect with him on Facebook and watch his Java videos on YouTube.