Question: WWhy does swap2 method change the values, but swap1 method does not change the values? Console J. Debug Shell Coverage Test (1) [Java Application] /Library/Java/JavaVirtualMachines/jdk-12.0.2.j

WWhy does swap2 method change the values, but swap1 method does notWWhy does swap2 method change the values, but swap1 method does not change the values?

Console J. Debug Shell Coverage Test (1) [Java Application] /Library/Java/JavaVirtualMachines/jdk-12.0.2.j After swap1: circle1 =1.0 circle2 =2.0 After swap2: circle1 =2.0 circle2 =1.0

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