search
HomeJavajavaTutorialHow to write if multiple conditions in java

There are two ways to write if statements containing multiple conditions in Java: if-else statement chains or Boolean logical operators. If-else statement chains check conditions one by one through nested if-else statements, and Boolean logical operators (such as &&, ||) can combine conditions together.

How to write if multiple conditions in java

Writing multiple conditional if statements in Java

In Java, you can useif- else statement chains or Boolean logical operators to write if statements containing multiple conditions.

if-else statement chain

This method checks each condition through a series of nested if-else statements:

if (condition1) {
  // 条件 1 成立时执行的代码
} else if (condition2) {
  // 条件 2 成立时执行的代码
} else if (condition3) {
  // 条件 3 成立时执行的代码
} else {
  // 没有任何条件成立时执行的代码
}

Boolean logic operators

&& (AND operator) and || (OR operator) and other Boolean logic Operators can be used to combine conditions:

if (condition1 && condition2) {
  // 只有条件 1 和条件 2 都成立时执行的代码
}

if (condition1 || condition2) {
  // 条件 1 或条件 2 任何一个成立时执行的代码
}

Example

Suppose we need to check if a student's grade is higher than a passing mark.

int grade = 75;

if (grade >= 60) {
  System.out.println("及格");
} else {
  System.out.println("不及格");
}

This code uses a if-else chain of statements to check if the grade is greater than or equal to 60.

Note

  • Nested if-else Chains of statements can become complex and difficult to understand.
  • When using Boolean logical operators, pay attention to the priority of the operator.

The above is the detailed content of How to write if multiple conditions in java. For more information, please follow other related articles on the PHP Chinese website!

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
How do I implement multi-level caching in Java applications using libraries like Caffeine or Guava Cache?How do I implement multi-level caching in Java applications using libraries like Caffeine or Guava Cache?Mar 17, 2025 pm 05:44 PM

The article discusses implementing multi-level caching in Java using Caffeine and Guava Cache to enhance application performance. It covers setup, integration, and performance benefits, along with configuration and eviction policy management best pra

How can I implement functional programming techniques in Java?How can I implement functional programming techniques in Java?Mar 11, 2025 pm 05:51 PM

This article explores integrating functional programming into Java using lambda expressions, Streams API, method references, and Optional. It highlights benefits like improved code readability and maintainability through conciseness and immutability

How does Java's classloading mechanism work, including different classloaders and their delegation models?How does Java's classloading mechanism work, including different classloaders and their delegation models?Mar 17, 2025 pm 05:35 PM

Java's classloading involves loading, linking, and initializing classes using a hierarchical system with Bootstrap, Extension, and Application classloaders. The parent delegation model ensures core classes are loaded first, affecting custom class loa

How can I use JPA (Java Persistence API) for object-relational mapping with advanced features like caching and lazy loading?How can I use JPA (Java Persistence API) for object-relational mapping with advanced features like caching and lazy loading?Mar 17, 2025 pm 05:43 PM

The article discusses using JPA for object-relational mapping with advanced features like caching and lazy loading. It covers setup, entity mapping, and best practices for optimizing performance while highlighting potential pitfalls.[159 characters]

How do I use Maven or Gradle for advanced Java project management, build automation, and dependency resolution?How do I use Maven or Gradle for advanced Java project management, build automation, and dependency resolution?Mar 17, 2025 pm 05:46 PM

The article discusses using Maven and Gradle for Java project management, build automation, and dependency resolution, comparing their approaches and optimization strategies.

How do I use Java's NIO (New Input/Output) API for non-blocking I/O?How do I use Java's NIO (New Input/Output) API for non-blocking I/O?Mar 11, 2025 pm 05:51 PM

This article explains Java's NIO API for non-blocking I/O, using Selectors and Channels to handle multiple connections efficiently with a single thread. It details the process, benefits (scalability, performance), and potential pitfalls (complexity,

How do I create and use custom Java libraries (JAR files) with proper versioning and dependency management?How do I create and use custom Java libraries (JAR files) with proper versioning and dependency management?Mar 17, 2025 pm 05:45 PM

The article discusses creating and using custom Java libraries (JAR files) with proper versioning and dependency management, using tools like Maven and Gradle.

How do I use Java's sockets API for network communication?How do I use Java's sockets API for network communication?Mar 11, 2025 pm 05:53 PM

This article details Java's socket API for network communication, covering client-server setup, data handling, and crucial considerations like resource management, error handling, and security. It also explores performance optimization techniques, i

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
3 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Best Graphic Settings
3 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. How to Fix Audio if You Can't Hear Anyone
3 weeks agoBy尊渡假赌尊渡假赌尊渡假赌

Hot Tools

SublimeText3 English version

SublimeText3 English version

Recommended: Win version, supports code prompts!

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Atom editor mac version download

Atom editor mac version download

The most popular open source editor

MinGW - Minimalist GNU for Windows

MinGW - Minimalist GNU for Windows

This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

Dreamweaver Mac version

Dreamweaver Mac version

Visual web development tools