関連ワード:  write a java program to demonstrate single level inheritance    write a java program to implement single level inheritance    write a java program to implement multi level inheritance    write a java program to implement the single level multilevel inheritance using classes    write a java program to implement multilevel inheritance with three level of hierarchy    write a java program for single inheritance    write a java program to demonstrate inheritance    java program to demonstrate single inheritance  
結果 : write a java program to demonstrate single level inheritance