Value pass Between Activity in Android

Pass Value:
          Intent i = new Intent(xyz.this, abc.class);

        i.putExtra("keynm", Value);

        i.putExtra("name", Value);

        startActivity(i);

Get Value:
          String str = getIntent().getStringExtra("keynm");

        Boolean val=getIntent().getBooleanExtra(name, defaultValue);

        int val=getIntent().getIntExtra(name, defaultValue);

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