Java arrays - a brief tutorial In Java an array is a way of storing multiple items of the same type. In this quick tutorial we introduce you to the very basics.

Spread the loveIntroduction: In Java, arrays are useful data structures that store elements of the same data type sequentially in memory. Frequently, developers need to determine the size of an array ...

The need to find the length of a Java String is a common programming requirement. Learn how to get the size of a Java String and avoid lengthy errors developers often encounter.

Java length vs length () explained The key difference between Java’s length variable and Java’s length () method is that the Java length variable describes the size of an array, while Java’s length () ...

OutOfMemoryError系列（6）: Out of swap space？ Java has got a limit on the maximum array size your program can allocate. The exact limit is platform-specific but is generally somewhere between 1 and 2.1 ...

Memory alignment does matter (as shown, for example, for primitive array types in Java Tip 130), but I think it is unprofitable to chase after such low-level details.

* Given an array arr. You can choose a set of integers and remove all the occurrences of these integers in the array. * Return the minimum size of the set so that at least half of the integers of the ...