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What this PR does / why we need it?
Summary of your change
StringBuilder
替代StringBuffer
、使用Class::method
简化 Lambda、减少不必要的拆箱/装箱 )containsKey( key ) + get( key )
简化为一次get( key )
调用( 仅限value
不为null
的场景),containsKey( key ) + remove( key )
简化为一次remove( key )
调用。String.replace()
替代String.replaceAll()
,避免不必要的正则表达式处理开销。com.alibaba.fastjson.util.TypeUtils#castToJavaBean(java.util.Map<java.lang.String,java.lang.Object>, java.lang.Class<T>, com.alibaba.fastjson.parser.ParserConfig)
和com.alibaba.fastjson2_demo.Int2Decoder#acceptField
。Please indicate you've done the following: