関連ワード:  how to make your class immutable in java    how to make a class immutable in java without using final    how to make your own immutable class in java    how to make a class immutable with list in java    explain immutability how to make a class immutable in java    how to create a class immutable in java    how to make a class immutable in java with date field in it    steps to make a class immutable in java    how to make custom class immutable in java    how to make a class immutable  
結果 : how to make your class immutable in java