Java Array Tutorial

Java Array Tutorial | The array in Java is a referenced data type used to create a fixed number of multiple variables or objects of the same type to store multiple values of similar type in contiguous memory locations with a single variable name.

In Java, the “array” is not a keyword rather it is a concept. It creates continuous memory locations using other primitive or reference data types. It is used to store a fixed number of multiple values and objects of the same types in contiguous memory locations. The size of the array is fixed, which means after the array creation we can’t increase or decrease the size of the array.

Array Tutorial in Java

Must learn,

1. Array in Java
2. Multidimensional Array
3. Anonymous Array
4. Array of Objects
5. Jagged Array
6. System.arraycopy()

Java Arrays Class,

• Arrays Class & Methods
• Arrays.toString()
• Arrays.sort()
• Arrays.copyof()
• Arrays.copyOfRange()
• Arrays.fill()
• Arrays.equals()

Other tutorial on Java array,

• How to get Array Input
• Return Array from a method
• 2D Array in Java
• 3D Array in Java
• Matrix in Java
• Array of String in Java
• Array of double in Java

Java Array Programs

Increase your knowledge by solving programs on Java array. Read the problems, write the code and check the output.

Java programs on single dimensional (1D) array

More Simple Single Dimensional Array Programs in Java

• Count Even and Odd numbers in an Array
• Put Even and Odd Elements in 2 Separate Arrays
• Display Even and Odd numbers in an Array
• Sum of Even and Odd Numbers in Array in Java
• Remove odd numbers from an array java
• Count positive negative and zero from Array
• Print all negative elements in an array
• Separate positive and negative numbers in an array
• Find the sum of positive numbers in an array
• The cumulative sum of an array in Java
• Find numbers that are greater than the given number from an array
• Find average and numbers greater than average in array

Java Matrix Programs

In Java, the matrices are the two-dimensional arrays. It has a row and column arrangement of its elements. A matrix with m rows and n columns can be called an m × n matrix. Individual entries in the matrix are called elements and can be represented by a_ij which suggests that the element a is present in the i^th row and j^th column.

Multi-dimensional array and Matrix Programs in Java

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