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Improved tasks 385, 398

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src/main/java/g0301_0400
- s0385_mini_parser
  - Solution.java
- s0398_random_pick_index
  - Solution.java

+33

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Original file line number	Diff line number	Diff line change
`@@ -4,6 +4,34 @@`
`4`	`4`
`5`	`5`	`importcom_github_leetcode.NestedInteger;`
`6`	`6`
	`7`	`+/*`
	`8`	`+ * // This is the interface that allows for creating nested lists.`
	`9`	`+ * // You should not implement it, or speculate about its implementation`
	`10`	`+ * public interface NestedInteger {`
	`11`	`+ * // Constructor initializes an empty nested list.`
	`12`	`+ * public NestedInteger();`
	`13`	`+ *`
	`14`	`+ * // Constructor initializes a single integer.`
	`15`	`+ * public NestedInteger(int value);`
	`16`	`+ *`
	`17`	`+ * // @return true if this NestedInteger holds a single integer, rather than a nested list.`
	`18`	`+ * public boolean isInteger();`
	`19`	`+ *`
	`20`	`+ * // @return the single integer that this NestedInteger holds, if it holds a single integer`
	`21`	`+ * // Return null if this NestedInteger holds a nested list`
	`22`	`+ * public Integer getInteger();`
	`23`	`+ *`
	`24`	`+ * // Set this NestedInteger to hold a single integer.`
	`25`	`+ * public void setInteger(int value);`
	`26`	`+ *`
	`27`	`+ * // Set this NestedInteger to hold a nested list and adds a nested integer to it.`
	`28`	`+ * public void add(NestedInteger ni);`
	`29`	`+ *`
	`30`	`+ * // @return the nested list that this NestedInteger holds, if it holds a nested list`
	`31`	`+ * // Return empty list if this NestedInteger holds a single integer`
	`32`	`+ * public List<NestedInteger> getList();`
	`33`	`+ * }`
	`34`	`+ */`
`7`	`35`	`publicclassSolution {`
`8`	`36`	`privateinti =0;`
`9`	`37`

Lines changed: 5 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -28,3 +28,8 @@ public int pick(int target) {`
`28`	`28`	`returnlist.get(rand.nextInt(list.size()));`
`29`	`29`	`}`
`30`	`30`	`}`
	`31`	`+/*`
	`32`	`+ * Your Solution object will be instantiated and called as such:`
	`33`	`+ * Solution obj = new Solution(nums);`
	`34`	`+ * int param_1 = obj.pick(target);`
	`35`	`+ */`

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