随笔分类 - JavaStudy
摘要：//直接forEach List<String> k=new ArrayList<>(); k.add("1"); k.add("2"); k.add("3"); k.add("4"); for (String d:k){ k.remove(d); } //for循环 List<String> k=
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摘要：package com.by; import org.junit.jupiter.api.Test; import org.springframework.boot.test.context.SpringBootTest; @SpringBootTest public class Tsfsds {
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摘要：//进程获取 public void mpid() throws IOException { String name = ManagementFactory.getRuntimeMXBean().getName(); // System.out.println(name); String[] nam
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摘要：public static void importShpToPG(String shpfile, String charsetName ) throws IOException { ShapefileDataStore shpDataStore = null; //shpfile="E:\\jinz
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摘要：package com.by; import org.gdal.gdal.Band; import org.gdal.gdal.Dataset; import org.gdal.gdal.Driver; import org.gdal.gdal.gdal; import org.gdal.gdalc
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摘要：public void m4(){ BigDecimal num = new BigDecimal("0"); BigDecimal num2 = new BigDecimal("1"); Double d=2.9; if( d.compareTo(Double.valueOf(num.toStri
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