JavaSE8 Simple example of implementing multiple interfaces based on a specific class

Os:windows7 x64
Jdk:jdk-8u131-windows-x64
Ide:eclipse Oxygen Release (4.7.0)


Code:

Interface interface persontrain{//as long as the function declaration, do not specifically implement public abstract void Writebook ();} Interface Javaertrain{public abstract void Repaircomputer ();} Draw line class implements an interface abstract class person implements persontrain{}//concrete class implements multiple interfaces class Javaer extends person implements Persontrain, javaertrain{public void Writebook () {System.out.println ("write book");} public void Repaircomputer () {System.out.println ("repaired a Computer");}} Class Demo {public static void main (string[] agrs) {Javaer j = new Javaer (); J.writebook (); J.repaircomputer ();}}

Results:

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JavaSE8 Simple example of implementing multiple interfaces based on a specific class