関連ワード:  what is use of functional interface in java 8    what is functional interface in java 8    what is functional interface in java 8 with example    what is functional interface in java 8 stack overflow    what is the need of functional interface in java 8    what is the advantage of functional interface in java 8    why do we need functional interface in java 8    what is the use of functional interface in java  
結果 : what is use of functional interface in java 8