m1={(10,20), (20,30)}
m2={(10,20)}
m1.size > m2.size is true
m1 equals m2 is true

m1={(10,20), (20,30)}
m2={(10,20)}
m1.size > m2.size is true
m1 equals m2 is true

m1={(10,20), (20,30)}
m2={(10,20)}
m1.size > m2.size is true
m1 equals m2 is true

java.lang.CloneNotSupportedException: The underlying map doesn't implement the Cloneable interface

s1=[10, 20]
s2=[10]
s1.size > s2 is true
s1 equals s2 is true

s1=[10, 20]
s2=[10]
s1.size > s2 is true
s1 equals s2 is true

s1=[10, 20]
s2=[10]
s1.size > s2 is true
s1 equals s2 is true