新手学Java优学网变量教程：从数据类型到调试技巧，轻松掌握变量核心知识
publicclassFirstVariable{publicstaticvoidmain(String[]args){Stringgreeting="Hello,优学网!";System.out.println(greeting);}}2.1Java基本...
publicclassFirstVariable{publicstaticvoidmain(String[]args){Stringgreeting="Hello,优学网!";System.out.println(greeting);}}2.1Java基本...