System.out.println("找到隐藏的内容部分:" + part);
double cpuLoad = osBean.getSystemCpuLoad();
├──16.【选】一步一步手绘SpringMVC运行时序图(下)
private void privateMethod() {
System.out.println("第一个元素: " + intArray[0]); // 输出10
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/ (((((b[0] * r + b[1]) * r + b[2]) * r + b[3]) * r + b[4])
NonAccessModifiers.staticMethod();
import java.util.HashMap; import java.util.Map; public class MapExample { public static void main(String[] args) { Map<String, Integer> map = new HashMap<>(); map.put("Apple", 5); map.put("Banana", 3); map.put("Cherry", 7); // 遍历Map for (Map.Entry<String, Integer> entry : map.entrySet()) { System.out.println("Fruit: " + entry.getKey() + ", Quantity: " + entry.getValue()); } // 访问和修改指定键的值 System.out.println("Quantity of Apple: " + map.get("Apple")); map.put("Apple", 8); System.out.println("Quantity of Apple after modification: " + map.get("Apple")); } }