class Test06ExInfo { public static void main(String[] args) { //姓名、年龄、性别、体重、婚姻状况(已婚用true表示,单身用false表示)、联系方式 String name = "张三"; int age = 27; char gender = '男'; double weight = 78.6; boolean isMarry = true; String tel = "15555555555"; System.out.println("个人信息"); System.out.println("姓名:"+name); System.out.println("年龄:"+age); System.out.println("性别:"+gender); System.out.println("体重:"+weight); System.out.println("婚姻状况:"+isMarry); //String str1 = 4; //判断对错:F String str2 = 3.5f + ""; //判断str2对错: T System.out.println(str2); //输出:3.5 System.out .println(3+4+"Hello!"); //输出:7Hello! System.out.println("Hello!"+3+4); //输出:Hello!34 System.out.println('a'+1+"Hello!"); //输出:98Hello System.out.println("Hello"+'a'+1); //输出:Helloa1 System.out.println("* *"); //输出: System.out.println("*\t*"); //输出: System.out.println("*" + "\t" + "*"); //输出: System.out.println('*' + "\t" + "*"); //输出: System.out.println('*' + '\t' + "*"); //输出: System.out.println('*' + "\t" + '*'); //输出: System.out.println("*" + '\t' + '*'); //输出: System.out.println('*' + '\t' + '*'); //输出: } }