程序运行环境的安装一2SE 运行文件“jdk-15006- windows1586 pexe”,直到安装成功。 运行文件“ Ultraedit1.101SC(l)exe 安装java源程序编写工具。 打开 Ultraedit1110lSc(1)exe,我们编 写一个简单的java小程序 12 JAVA
12 程序运行环境的安装—J2SE • 运行文件“jdk-1_5_0_06-windows-i586- p.exe”，直到安装成功。 • 运行文件“UltraEdit_11.101_SC(1).exe” 安装java源程序编写工具。 • 打开UltraEdit_11.101_SC(1).exe，我们编 写一个简单的java小程序
First Program in Java: Printing a Line of Text ∥ Text-printing program public class welcome /main method begins execution ofjava application public static void main( string args) System out println( "welcome to Java rogramming!") ∥ end method main ∥ end class welcome JAVA
13 First Program in Java: Printing a Line of Text // Text-printing program. public class welcome { // main method begins execution of Java application public static void main( String args[] ) { System.out.println( "Welcome to Java rogramming!" ); } // end method main } // end class Welcome