How to use new instantiation in java

1. The concept

is "Create a Java object" ----- allocate memory and return a reference to the memory.

2. Notes

(1) The Java keyword new is an operator. Operators such as , -, *, / have the same or similar precedence .

: declaring reference variables, instantiating, and initializing object instances.

will be called by default, that is, the object of the parent class will be created

(1) Object name = new class name (parameter 1, parameter 2...parameter n);

Object name.Method();

(2) new class name (parameter 1, parameter 2...parameter n). Method;

Use a Simple code to illustrate the two ways of instantiating an object:

package New;
 
public class wordTest {
public void wordtime() {
System.out.println("工作日为：周一到周五");
}
public static void main(String[] args) {
wordTest wt=new wordTest();
wt.wordtime();
}
 
}

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