"...\java" ...Test17_HM_B
Size :1
Elements : {1=(this Map)}
Size :1
Elements : {2=(this Map)}
Size :2
Exception in thread "main" java.lang.StackOverflowError
at java.util.AbstractMap.toString(AbstractMap.java:547)
at java.lang.String.valueOf(String.java:2994)
at java.lang.StringBuilder.append(StringBuilder.java:131)
at java.util.AbstractMap.toString(AbstractMap.java:559)
at java.lang.String.valueOf(String.java:2994)
at java.lang.StringBuilder.append(StringBuilder.java:131)
at java.util.AbstractMap.toString(AbstractMap.java:559)
at java.lang.String.valueOf(String.java:2994)
at ...
[ Lots of these, repeated, omitted from here. ;-> ]
at ...
at java.lang.String.valueOf(String.java:2994)
at java.lang.StringBuilder.append(StringBuilder.java:131)
at java.util.AbstractMap.toString(AbstractMap.java:559)
at java.lang.String.valueOf(String.java:2994)
at java.lang.StringBuilder.append(StringBuilder.java:131)
at java.util.AbstractMap.toString(AbstractMap.java:559)
at java.lang.String.valueOf(String.java:2994)
at java.lang.StringBuilder.append(StringBuilder.java:131)
at java.util.AbstractMap.toString(AbstractMap.java:559)
Process finished with exit code 1
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