ADD week 5

02-Easy5/E5/sources/kotlin/jvm/internal/SpreadBuilder.java

@@ -0,0 +1,62 @@
+package kotlin.jvm.internal;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Iterator;
+
+/* loaded from: classes.dex */
+public class SpreadBuilder {
+    private final ArrayList<Object> list;
+
+    public SpreadBuilder(int i) {
+        this.list = new ArrayList<>(i);
+    }
+
+    public void addSpread(Object obj) {
+        if (obj == null) {
+            return;
+        }
+        if (obj instanceof Object[]) {
+            Object[] objArr = (Object[]) obj;
+            if (objArr.length > 0) {
+                ArrayList<Object> arrayList = this.list;
+                arrayList.ensureCapacity(arrayList.size() + objArr.length);
+                Collections.addAll(this.list, objArr);
+                return;
+            }
+            return;
+        }
+        if (obj instanceof Collection) {
+            this.list.addAll((Collection) obj);
+            return;
+        }
+        if (obj instanceof Iterable) {
+            Iterator it = ((Iterable) obj).iterator();
+            while (it.hasNext()) {
+                this.list.add(it.next());
+            }
+            return;
+        }
+        if (obj instanceof Iterator) {
+            Iterator it2 = (Iterator) obj;
+            while (it2.hasNext()) {
+                this.list.add(it2.next());
+            }
+        } else {
+            throw new UnsupportedOperationException("Don't know how to spread " + obj.getClass());
+        }
+    }
+
+    public int size() {
+        return this.list.size();
+    }
+
+    public void add(Object obj) {
+        this.list.add(obj);
+    }
+
+    public Object[] toArray(Object[] objArr) {
+        return this.list.toArray(objArr);
+    }
+}