Blog Articles

Collectors class in Java 8 to group and count elements in a list

How to use the Collectors class in Java 8 to group and count elements in a list?

In Java 8 and later versions, the Collectors class in the java.util.stream package provides various utility methods to perform reduction operations on streams. One of the powerful features of the Collectors class is the ability to group and count elements in a list or...

Optional Class in Java 8

How to use the Optional class in Java 8 to handle null values?

In Java 8 and later versions, the Optional class is part of the java.util package and provides a way to handle null values in an effective way and helps to avoid NullPointerExceptions. The Optional class lets you put a value that might be empty or null inside it. This...

Reduce method in Java 8

How to use the reduce() method in Java 8 to perform a calculation on a list of numbers?

In Java 8 and later versions, the reduce() method is available in the Stream API to perform a calculation on a list of numbers or any other elements. This method allows aggregating a stream's elements into a single result using a specified binary operator. This can be...

Convert List to Map using Streams - Java 8

Java 8 – How to convert List to Map?

In this tutorial, we will see "How to convert List to Map using Java 8?"How to convert List to Map in java 8 [crayon-64f9d54132188782021780/] Output: [crayon-64f9d5413218b960443168/] How to...

Java 8 Streams Filter a List Example

Java 8 Streams Filter a List Example

Apr 19, 2023 | Java, Java 8

In this tutorial, we will see "How to use Streams to Filter a List in Java 8?". We are going to use how Java 8 Streams...

Java 8 – Program to Multiply Two Matrices? (Simplest Example)

Java 8 – Program to Multiply Two Matrices? (Simplest Example)

Apr 18, 2023 | Java, Java 8

In this tutorial, we will see "Program to Multiply two matrices using Java 8 Streams?" program to multiply two...

Java – Multiple ways to find Nth Fibonacci Number

Java – Multiple ways to find Nth Fibonacci Number

Apr 10, 2023 | Java, Java 8

In this tutorial, we will see "Two ways to find Nth Fibonacci Number using Java?"find nth Fibonacci number in java 8...

How to find Duplicate Elements in an Array in Java 8

How to find Duplicate Elements in an Array in Java 8

Feb 15, 2023 | Java 8, Java

In this tutorial, we will see "How to find Duplicate Elements in an Array using Java 8?". [bctt tweet="Find Duplicate...

Java – Swap two numbers without using a third variable?

Java – Swap two numbers without using a third variable?

Feb 14, 2023 | Java

In this tutorial, we will see "How to Swap two numbers without using a third variable in Java?" swapping of two...

Java – Swap two numbers using a third variable?

Java – Swap two numbers using a third variable?

Feb 13, 2023 | Java

In this tutorial, we will see "How to Swap two numbers using a third variable in Java?" swapping of two numbers...

Java 8 – How to convert Hexadecimal Number to Binary?

Java 8 – How to convert Hexadecimal Number to Binary?

Feb 12, 2023 | Java, Java 8

In this tutorial, we will see "How to convert Hexadecimal to Binary using Java 8?" How to convert hexadecimal number...

Java – How to convert Hexadecimal to Decimal number?

Java – How to convert Hexadecimal to Decimal number?

Feb 11, 2023 | Java

In this tutorial, we will see "How to convert Hexadecimal to Decimal in Java?" How to convert hexadecimal number to...

Java – How to convert Binary to Hexadecimal Number?

Java – How to convert Binary to Hexadecimal Number?

Feb 10, 2023 | Java

In this tutorial, we will see "How to convert Binary to HexaDecimal using Java?" How to convert Binary to...

Java – How to convert Binary to Decimal Number?

Java – How to convert Binary to Decimal Number?

Feb 9, 2023 | Java

In this tutorial, we will see "How to convert Binary to Decimal number using Java?" How to convert Binary to decimal...

Java – How to convert Decimal number to Hexa-Decimal?

Java – How to convert Decimal number to Hexa-Decimal?

Feb 8, 2023 | Java

In this tutorial, we will see "How to convert Decimal to Hexadecimal in Java?" How to convert decimal number to...

Java 8 – Find Sum of Two Matrices? (Simplest Example)

Java 8 – Find Sum of Two Matrices? (Simplest Example)

Feb 7, 2023 | Java, Java 8

In this tutorial, we will see "How to find the sum/add of two matrices using Java 8 Streams?" Find sum of two...

« Older Entries

Next Entries »