Java基础 println print 实现输出换行

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Java基础 println print 实现输出换行

2023-10-21 12:44| 来源: 网络整理| 查看: 265

JDK ：OpenJDK-11 OS ：CentOS 7.6.1810 IDE ：Eclipse 2019‑03typesetting ：Markdown

code package per.jizuiku.base; /** * @author 给最苦 * @date 2019/06/29 * @blog www.cnblogs.com/jizuiku */ class Demo { /** * @param args */ public static void main(String[] args) { // 输出后换行 System.out.print("hello world"); System.out.println(); System.out.print("hello world" + "\n"); System.out.print("hello world"); System.out.print(" end"); } }

result hello world hello world hello world end

sourceCode /** * Terminates the current line by writing the line separator string. The * line separator string is defined by the system property * {@code line.separator}, and is not necessarily a single newline * character ({@code '\n'}). */ public void println() { newLine(); } /** * Prints a string. If the argument is {@code null} then the string * {@code "null"} is printed. Otherwise, the string's characters are * converted into bytes according to the platform's default character * encoding, and these bytes are written in exactly the manner of the * {@link #write(int)} method. * * @param s The {@code String} to be printed */ public void print(String s) { write(String.valueOf(s)); }

resource [ JDK ] openjdk.java.net[ doc - 参考 ] docs.oracle.com/en/java/javase/11[ 规范 - 推荐 ] yq.aliyun.com/articles/69327[ 规范 - 推荐 ] google.github.io/styleguide[ 源码 ] hg.openjdk.java.net[ OS ] www.centos.org[ IDE ] www.eclipse.org/downloads/packages[ 平台 ] www.cnblogs.com

感谢帮助过给最苦的人们。 Java、Groovy和Scala等基于JVM的语言，优秀，值得学习。规范的命名和代码格式等，有助于沟通和理解。 JVM的配置、监控与优化，比较实用，值得学习。

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Java基础 println print 实现输出换行

Java基础 println print 实现输出换行

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