// Scala program to print the type // of the variable object Sample{ def main(args: Array[String]): Unit = { var var1:Char='A' var var2:Int=101 var var3:Float=10.23F var var4:String="Hello" println("Type of var1: "+var1.getClass) println("Type of var2: "+var2.get...
- A. class**:`class`是Java中用于定义类的关键字,所有类的声明都必须以`class`开头,属于Java的关键字。 - B. function**:Java中没有`function`关键字,方法的定义不需要此关键字,而是直接声明返回类型和参数。此选项错误。 - C. variable**:Java中不存在`variable`这一关键字,变量的声明依赖于具体的数据...
Inside the Python interpreter, the help() function pulls up documentation strings for various modules, functions, and methods. These doc strings are similar to Java’s javadoc. The dir() function tells you what the attributes of an object are. help展示function之类的documentation dir显示object的属...
System class in java is one of the core classes and I have never seen any java developer who doesn’t use it. One of the easiest way to log information for debugging is System.out.print() function. System class is final and all of it’s members and methods are static so that we ca...
Themainmethod serves as the program’s entry point, initializing a table with headers and data. Subsequently, it invokes theprintTablemethod within atry-with-resourcesblock, ensuring proper handling of resources. TheprintTablemethod, taking aPrintStreamand variable arguments for headers and data, util...
Using theprint()Method to Print a String in Java In the code snippet given below, we have a string-type variable,str. To print the value of this variable for the user on the console screen, we will use theprint()method. We pass the text to be printed as a parameter to this method...
There are many converters, flags, and specifiers, which are documented in java.util.Formatter Here is a basic example: int i = 461012; System.out.format("The value of i is: %d%n", i); The %d specifies that the single variable is a decimal integer. The %n is a platform-...
type() - its returns the data type of the variable/object. id() - it returns the unique identification number (id) of created object/variable. print() - to print the values.Programprint("Numbers") print("---") a=10 print(type(a),id(a),a) a=23.7 print(type(a),id(a),a...
To print a variable inside the print statement, we need to use the dollar symbol($) followed by the var/val name inside a double quoted string literal. To print the result of an expression we use${ //expression goes here }. The output when the above code is run on the Kotlin Online...
The integer is then saved in a variable, integer of type Int. Finally, println() function prints integer to the standard output: computer screen using string templates. The above program is very similar to Java without the boilerplate class code. You can find the equivalent Java code here: ...