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Java基础 println print 实现输出换行

时间:2019-06-29 20:35:30      阅读:153      评论:0      收藏:0      [点我收藏+]
  • ????JDK :OpenJDK-11
  • ?????OS :CentOS 7.6.1810
  • ?????IDE :Eclipse 2019?03
  • typesetting :Markdown

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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");
    }
}

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result

hello world
hello world
hello world end

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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));
}

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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

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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。

Java基础 println print 实现输出换行

原文:https://www.cnblogs.com/jizuiku/p/11107747.html

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