41 lines
1.1 KiB
Java
41 lines
1.1 KiB
Java
import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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public class LogicalStructure {
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public static void main(String[] args) {
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int[] arrays = new int[] { 1 };
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Object obj = new Object();
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Map<String, String> emptyMap = new HashMap<>();
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Map<String, Integer> bookset = new LinkedHashMap<>();
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bookset.put("Algorithm Introduction", 60);
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bookset.put("Thinking in JAVA", 50);
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Map<String, Map<String, Integer>> bigStore = new HashMap<>();
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for (int i = 0; i < 100000; i++) {
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bigStore.put("key" + i, bookset);
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}
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List<String> emptyList = new ArrayList<>();
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List<Foo> list = Arrays.asList(new Foo("One"), new Foo("Two"));
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List<String> bigList = new ArrayList<>();
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for (int i = 0; i < 100000; i++) {
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bigList.add("key" + i);
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}
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System.out.println("Exit.");
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}
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static class Foo {
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private String name;
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Foo(String name) {
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this.name = name;
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}
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}
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}
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