myapp.java

这里面有150个从简单到难的java 程序的源代码

public class MyApp{ 
	public static void main(String args[]){
		System.out.println("java_vendor:"+System.getProperty("java.vendor"));
		System.out.println("java_vendor_url:"+System.getProperty("java.vendor.url"));
		System.out.println("java_home:"+System.getProperty("java.home"));
		System.out.println("java_class_version:"+System.getProperty("java.class.version"));
		System.out.println("java_class_path:"+System.getProperty("java.class.path"));
		System.out.println("os_name:"+System.getProperty("os.name"));
		System.out.println("os_arch:"+System.getProperty("os.arch"));
		System.out.println("os_version:"+System.getProperty("os.version"));
		System.out.println("user_name:"+System.getProperty("user.name"));
		System.out.println("user_home:"+System.getProperty("user.home"));
		System.out.println("user_dir:"+System.getProperty("user.dir"));
System.out.println("java_vm_specification_version:"+System.getProperty("java.vm.specification.version"));
System.out.println("java_vm_specification_vendor:"+System.getProperty("java.vm.specification.vendor"));
System.out.println("java_vm_specification_name:"+System.getProperty("java.vm.specification.name"));
		System.out.println("java_vm_version:"+System.getProperty("java.vm.version"));
		System.out.println("java_vm_vendor:"+System.getProperty("java.vm.vendor"));
		System.out.println("java_vm_name:"+System.getProperty("java.vm.name"));
		System.out.println("java_ext_dirs:"+System.getProperty("java.ext.dirs"));
		System.out.println("file_separator:"+System.getProperty("file.separator"));
		System.out.println("path_separator:"+System.getProperty("path.separator"));
		System.out.println("line_separator:"+System.getProperty("line.separator")); 
	}
}