In this example, we create aStringvariablenamewith the value “John” and anintvariableagewith the value 25. Then, we useSystem.out.printlnto print the values of these variables to the console. When you run this program, you will see the following output: Name: John Age: 25 1. 2. Sy...
importjava.lang.reflect.Field;publicclassMyClass{privateintmyVariable;publicstaticvoidmain(String[]args){MyClassobj=newMyClass();Fieldfield;try{field=obj.getClass().getDeclaredField("myVariable");System.out.println(field.getName());// 输出:myVariable}catch(NoSuchFieldExceptione){e.printStackTrace...
This is a string stored in a variable.Second print statement. 在Java 中使用Scanner输入和println方法打印字符串 在这里,我们使用Scanner类来获取用户的输入。 我们创建了一个Scanner类的对象,我们要求用户使用print()方法输入他的名字。我们在input对象上调用nextLine()方法来获取用户的输入字符串。
Java Print Variables❮ Previous Next ❯ Display VariablesThe println() method is often used to display variables.To combine both text and a variable, use the + character:ExampleGet your own Java Server String name = "John"; System.out.println("Hello " + name); Try it Yourself » ...
The following code uses the isinstance() function to check if a given variable is of the string type in Python. 1 2 3 4 5 var1 = "football" sol = isinstance(var1, str) print("Is it a string? ", sol) The above code provides the following output: Is it a string? True We ...
Arguments referenced by the format specifiers in the format string. If there are more arguments than format specifiers, the extra arguments are ignored. The number of arguments is variable and may be zero. The maximum number of arguments is limited by the maximum dimension of a Java array as ...
A.2variable B..variable2 C._whatavariable D.@$anothervar 14.下列合法的变量名是( )。 A.3total B..price C._name D.@$var 15.下列代码执行的结果中m和m的值分别为( )。 intm=50,n=160;inttmp=m;m=n;n=tmp; A.50/160 B.50/50 C.160/50 D.160/160 16.下列代码执行的结果中x和y...
Create a variable callednameof typeStringand assign it the value "John". Then we useprintln()to print thenamevariable: Stringname="John";System.out.println(name); Try it Yourself » To create a variable that should store a number, look at the following example: ...
.out.print(clazzs[j].getName() + ",");}System.out.println(")");}}}class User {private int age;private String name;public User() {super();}public User(String name) {super();this.name = name;}/*** 私有构造* @param age* @param name*/private User(int age, String name) {...
. An array's name can be anything you want, provided that it follows the rules and conventions as previously discussed in thenamingsection. As with variables of other types, the declaration does not actually create an array; it simply tells the compiler that this variable will hold an array...