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An error occured when compiling Simulator.java #1

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Baihe0303 opened this issue Sep 11, 2019 · 0 comments
Open

An error occured when compiling Simulator.java #1

Baihe0303 opened this issue Sep 11, 2019 · 0 comments

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@Baihe0303
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Baihe0303 commented Sep 11, 2019 •
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C:\Users\Joe Jiang\Desktop\dean-master>javac Simulator.java

Simulator.java:730: 错误: 有 'catch', 但是没有 'try'
}catch(IOException ex){
^
Simulator.java:13: 错误: 'try' 不带有 'catch', 'finally' 或资源声明
try{
^
Simulator.java:737: 错误: 非法的表达式开始
public static void printTree(PrintWriter writer,String root, HashMap<String, Block> blockChain){

How to repair it?
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