개념

1.Dynamic typing vs Static typing

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First, dynamically-typed languages perfom type checking at runtime, while statically-typed languages perform type checking at compile time.this means

2022년 9월 22일

2.differences between String and StringBuilder/StringBuffer

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Stringimmutableconcatenating many String results in many intermediate String objects createdStringBuilder / StringBuffermutableStringBuffer cons

2022년 9월 14일