why constructor is used in java

why constructor is used in java, why copy constructor is not used in java, why private constructor is used in java

why constructor is used in java. There are any references about why constructor is used in java in here. you can look below.

why copy constructor is not used in java

why private constructor is used in java

why constructor is used in java, why copy constructor is not used in java, why private constructor is used in java

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