Analysis of similarities and differences:
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Similarities:
Both assign values to member variables.
Differences:
1. Timing of calling
The construction method is automatically called by the jvm when the object is created; the set method is manually called after the object is created.
(Video tutorial recommendation: java video tutorial)
2. The main body of the call
The construction method is automatically called by jvm; the set method is an object The name is called manually.
3. Number of calls
The constructor can only be automatically called once by the jvm when the object is initialized; the set method can be called multiple times.
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