When one object reference variable is assigned to another object reference variable, then

a copy of the refence is created Explanation: 1. Assignment Se Pehle (Initial State) Maan lijiye hamare paas do variables hain aur , jo alag-alag objects aur ko refer kar rahe hain: 2. Assignment Ke Baad (After ) Jab hum ko assign karte hain, toh ka purana reference toot jata hai aur dono ek hi address share karte hain: Iska parinaam yeh hota hai:

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CUET PG 2021 Computer PYQ — When one object reference variable is assigned to another object … | Mathem Solvex

A.
a copy of the object is created
B.
a copy of the reference is not created
C.
it is illegal to assign one object reference variable to another object reference variable
D.
a copy of the refence is created
(Correct Answer)

Correct Answer:

a copy of the refence is created

Explanation

1. Assignment Se Pehle (Initial State)

Maan lijiye hamare paas do variables hain $R_1$ aur $R_2$ , jo alag-alag objects $O_1$ aur $O_2$ ko refer kar rahe hain:

R_1 \to \text{Memory Address}(O_1)

R_2 \to \text{Memory Address}(O_2)

2. Assignment Ke Baad (After $R_2 = R_1$ )

Jab hum $R_2$ ko $R_1$ assign karte hain, toh $R_2$ ka purana reference toot jata hai aur dono ek hi address share karte hain:

R_1, R_2 \to \text{Memory Address}(O_1)

Iska parinaam yeh hota hai:

\text{Reference}(R_1) = \text{Reference}(R_2)

CUET PG 2021 — Computer PYQ

Choose the correct answer:

Explanation

1. Assignment Se Pehle (Initial State)

2. Assignment Ke Baad (After $R_2 = R_1$ )

Explanation

1. Assignment Se Pehle (Initial State)

2. Assignment Ke Baad (After $R_2 = R_1$ )