- ????JDK :OpenJDK-11
- ?????OS :CentOS 7.6.1810
- ?????IDE :Eclipse 2019?03
- typesetting :Markdown
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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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hello world
hello world
hello world end
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/**
* 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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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。
原文:https://www.cnblogs.com/jizuiku/p/11107747.html