Exception in thread "main" java.lang.OutOfMemoryError
at java.base/java.lang.AbstractStringBuilder.hugeCapacity(AbstractStringBuilder.java:214)
at java.base/java.lang.AbstractStringBuilder.newCapacity(AbstractStringBuilder.java:206)
at java.base/java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:173)
at java.base/java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:538)
at java.base/java.lang.StringBuilder.append(StringBuilder.java:174)
at java.base/java.lang.StringBuilder.append(StringBuilder.java:85)
at java.base/java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:573)
at java.base/java.lang.StringBuilder.append(StringBuilder.java:204)
at java.base/java.lang.StringBuilder.append(StringBuilder.java:85)