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How to execute java (command execution)

Nov 25, 2019 am 10:54 AM
java

How to execute java (command execution)

Method to execute java files: (Related video tutorial recommendations: java video tutorial)

Using environment: jdk1.6

How to execute java (command execution)

File directory:

How to execute java (command execution)

##javac *.java will generate the corresponding *.class file

java *.class can be executed, .class can be omitted

1. There is no package in t.java

public class t{    
public static void main(String[] args) {
    System.out.println("Hi");
    }
}
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The first way

How to execute java (command execution)

The second way

How to execute java (command execution)

2. a.java is packaged

package test;
public class a{
    public static void main(String[] args) {
    System.out.println("Hi");
    }
}
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The first way

How to execute java (command execution)

The second method

How to execute java (command execution)

Because a.java contains all the class files of the package, when executing the class file, you need to return to the layer where the package is located. Then execute

through the package name.

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